Stats

Kuzmenkova Natalia

Lomonosov Moscow State University

Total publications

Total citations

164

Citations per publication

3.81

Average publications per year

2.53

Average coauthors

5.81

Publications years

2009-2025 (17 years)

h-index

i10-index

m-index

0.41

o-index

g-index

w-index

Metrics description

h-index

A scientist has an h-index if h of his N publications are cited at least h times each, while the remaining (N - h) publications are cited no more than h times each.

https://www.pnas.org/doi/full/10.1073/pnas.0507655102

i10-index

The number of the author's publications that received at least 10 links each.

https://scholar.googleblog.com/2011/11/google-scholar-citations-open-to-all.html

m-index

The researcher's m-index is numerically equal to the ratio of his h-index to the number of years that have passed since the first publication.

https://harzing.com/publications/white-papers/reflections-on-the-h-index

o-index

The geometric mean of the h-index and the number of citations of the most cited article of the scientist.

https://arxiv.org/abs/1511.01545

g-index

For a given set of articles, sorted in descending order of the number of citations that these articles received, the g-index is the largest number such that the g most cited articles received (in total) at least g² citations.

https://doi.org/10.1007/s11192-006-0144-7

w-index

If w articles of a researcher have at least 10w citations each and other publications are less than 10(w+1) citations, then the researcher's w-index is equal to w.

https://doi.org/10.1002/asi.21276

Fields of science

	2 4 6 8 10 12 14 16
Health, Toxicology and Mutagenesis	Health, Toxicology and Mutagenesis, 15, 34.88% Health, Toxicology and Mutagenesis 15 publications, 34.88%
Pollution	Pollution, 14, 32.56% Pollution 14 publications, 32.56%
General Medicine	General Medicine, 13, 30.23% General Medicine 13 publications, 30.23%
Environmental Chemistry	Environmental Chemistry, 7, 16.28% Environmental Chemistry 7 publications, 16.28%
Waste Management and Disposal	Waste Management and Disposal, 7, 16.28% Waste Management and Disposal 7 publications, 16.28%
Public Health, Environmental and Occupational Health	Public Health, Environmental and Occupational Health, 6, 13.95% Public Health, Environmental and Occupational Health 6 publications, 13.95%
Nuclear Energy and Engineering	Nuclear Energy and Engineering, 5, 11.63% Nuclear Energy and Engineering 5 publications, 11.63%
Spectroscopy	Spectroscopy, 4, 9.3% Spectroscopy 4 publications, 9.3%
Analytical Chemistry	Analytical Chemistry, 4, 9.3% Analytical Chemistry 4 publications, 9.3%
Radiology, Nuclear Medicine and imaging	Radiology, Nuclear Medicine and imaging, 4, 9.3% Radiology, Nuclear Medicine and imaging 4 publications, 9.3%
Geochemistry and Petrology	Geochemistry and Petrology, 3, 6.98% Geochemistry and Petrology 3 publications, 6.98%
General Chemistry	General Chemistry, 2, 4.65% General Chemistry 2 publications, 4.65%
Physical and Theoretical Chemistry	Physical and Theoretical Chemistry, 2, 4.65% Physical and Theoretical Chemistry 2 publications, 4.65%
General Materials Science	General Materials Science, 2, 4.65% General Materials Science 2 publications, 4.65%
Ecology	Ecology, 2, 4.65% Ecology 2 publications, 4.65%
Toxicology	Toxicology, 2, 4.65% Toxicology 2 publications, 4.65%
Economic Geology	Economic Geology, 2, 4.65% Economic Geology 2 publications, 4.65%
Biochemistry	Biochemistry, 1, 2.33% Biochemistry 1 publication, 2.33%
General Biochemistry, Genetics and Molecular Biology	General Biochemistry, Genetics and Molecular Biology, 1, 2.33% General Biochemistry, Genetics and Molecular Biology 1 publication, 2.33%
Computer Science Applications	Computer Science Applications, 1, 2.33% Computer Science Applications 1 publication, 2.33%
Condensed Matter Physics	Condensed Matter Physics, 1, 2.33% Condensed Matter Physics 1 publication, 2.33%
Mechanical Engineering	Mechanical Engineering, 1, 2.33% Mechanical Engineering 1 publication, 2.33%
Mechanics of Materials	Mechanics of Materials, 1, 2.33% Mechanics of Materials 1 publication, 2.33%
General Agricultural and Biological Sciences	General Agricultural and Biological Sciences, 1, 2.33% General Agricultural and Biological Sciences 1 publication, 2.33%
General Immunology and Microbiology	General Immunology and Microbiology, 1, 2.33% General Immunology and Microbiology 1 publication, 2.33%
Archaeology	Archaeology, 1, 2.33% Archaeology 1 publication, 2.33%
Renewable Energy, Sustainability and the Environment	Renewable Energy, Sustainability and the Environment, 1, 2.33% Renewable Energy, Sustainability and the Environment 1 publication, 2.33%
Water Science and Technology	Water Science and Technology, 1, 2.33% Water Science and Technology 1 publication, 2.33%
Aquatic Science	Aquatic Science, 1, 2.33% Aquatic Science 1 publication, 2.33%
Paleontology	Paleontology, 1, 2.33% Paleontology 1 publication, 2.33%
Earth and Planetary Sciences (miscellaneous)	Earth and Planetary Sciences (miscellaneous), 1, 2.33% Earth and Planetary Sciences (miscellaneous) 1 publication, 2.33%
Earth-Surface Processes	Earth-Surface Processes, 1, 2.33% Earth-Surface Processes 1 publication, 2.33%
Geophysics	Geophysics, 1, 2.33% Geophysics 1 publication, 2.33%
Geography, Planning and Development	Geography, Planning and Development, 1, 2.33% Geography, Planning and Development 1 publication, 2.33%
Geotechnical Engineering and Engineering Geology	Geotechnical Engineering and Engineering Geology, 1, 2.33% Geotechnical Engineering and Engineering Geology 1 publication, 2.33%
Safety, Risk, Reliability and Quality	Safety, Risk, Reliability and Quality, 1, 2.33% Safety, Risk, Reliability and Quality 1 publication, 2.33%
Global and Planetary Change	Global and Planetary Change, 1, 2.33% Global and Planetary Change 1 publication, 2.33%
Nature and Landscape Conservation	Nature and Landscape Conservation, 1, 2.33% Nature and Landscape Conservation 1 publication, 2.33%
General Earth and Planetary Sciences	General Earth and Planetary Sciences, 1, 2.33% General Earth and Planetary Sciences 1 publication, 2.33%
History	History, 1, 2.33% History 1 publication, 2.33%
Education	Education, 1, 2.33% Education 1 publication, 2.33%
Agricultural and Biological Sciences (miscellaneous)	Agricultural and Biological Sciences (miscellaneous), 1, 2.33% Agricultural and Biological Sciences (miscellaneous) 1 publication, 2.33%
Ecological Modeling	Ecological Modeling, 1, 2.33% Ecological Modeling 1 publication, 2.33%

	2 4 6 8 10 12 14 16

Journals

	1 2 3 4 5 6
Journal of Environmental Radioactivity	Journal of Environmental Radioactivity, 6, 13.95% Journal of Environmental Radioactivity 6 publications, 13.95%
Journal of Radioanalytical and Nuclear Chemistry	Journal of Radioanalytical and Nuclear Chemistry, 4, 9.3% Journal of Radioanalytical and Nuclear Chemistry 4 publications, 9.3%
Radiochemistry	Radiochemistry, 3, 6.98% Radiochemistry 3 publications, 6.98%
Journal of Geochemical Exploration	Journal of Geochemical Exploration, 2, 4.65% Journal of Geochemical Exploration 2 publications, 4.65%
Moscow University Chemistry Bulletin	Moscow University Chemistry Bulletin, 2, 4.65% Moscow University Chemistry Bulletin 2 publications, 4.65%
Environmental Pollution	Environmental Pollution, 2, 4.65% Environmental Pollution 2 publications, 4.65%
Environmental Science and Pollution Research	Environmental Science and Pollution Research, 2, 4.65% Environmental Science and Pollution Research 2 publications, 4.65%
Radioprotection	Radioprotection, 1, 2.33% Radioprotection 1 publication, 2.33%
Journal of Physics: Conference Series	Journal of Physics: Conference Series, 1, 2.33% Journal of Physics: Conference Series 1 publication, 2.33%
Diversity	Diversity, 1, 2.33% Diversity 1 publication, 2.33%
Catena	Catena, 1, 2.33% Catena 1 publication, 2.33%
Ecotoxicology and Environmental Safety	Ecotoxicology and Environmental Safety, 1, 2.33% Ecotoxicology and Environmental Safety 1 publication, 2.33%
IOP Conference Series: Materials Science and Engineering	IOP Conference Series: Materials Science and Engineering, 1, 2.33% IOP Conference Series: Materials Science and Engineering 1 publication, 2.33%
Proceedings of the International Association of Hydrological Sciences	Proceedings of the International Association of Hydrological Sciences, 1, 2.33% Proceedings of the International Association of Hydrological Sciences 1 publication, 2.33%
Geochemistry International	Geochemistry International, 1, 2.33% Geochemistry International 1 publication, 2.33%
Doklady Earth Sciences	Doklady Earth Sciences, 1, 2.33% Doklady Earth Sciences 1 publication, 2.33%
Holocene	Holocene, 1, 2.33% Holocene 1 publication, 2.33%
Physics of Atomic Nuclei	Physics of Atomic Nuclei, 1, 2.33% Physics of Atomic Nuclei 1 publication, 2.33%
Gornyi Zhurnal	Gornyi Zhurnal, 1, 2.33% Gornyi Zhurnal 1 publication, 2.33%
Biology	Biology, 1, 2.33% Biology 1 publication, 2.33%
Water (Switzerland)	Water (Switzerland), 1, 2.33% Water (Switzerland) 1 publication, 2.33%
Materials	Materials, 1, 2.33% Materials 1 publication, 2.33%
MRS Advances	MRS Advances, 1, 2.33% MRS Advances 1 publication, 2.33%
Радиационная биология Радиоэкология	Радиационная биология Радиоэкология, 1, 2.33% Радиационная биология Радиоэкология 1 publication, 2.33%
Izvestiya Rossiiskoi Akademii Nauk. Seriya Geograficheskaya	Izvestiya Rossiiskoi Akademii Nauk. Seriya Geograficheskaya, 1, 2.33% Izvestiya Rossiiskoi Akademii Nauk. Seriya Geograficheskaya 1 publication, 2.33%
Dokuchaev Soil Bulletin	Dokuchaev Soil Bulletin, 1, 2.33% Dokuchaev Soil Bulletin 1 publication, 2.33%
Limnology and Freshwater Biology	Limnology and Freshwater Biology, 1, 2.33% Limnology and Freshwater Biology 1 publication, 2.33%
Springer Proceedings in Earth and Environmental Sciences	Springer Proceedings in Earth and Environmental Sciences, 1, 2.33% Springer Proceedings in Earth and Environmental Sciences 1 publication, 2.33%
Геоморфология и палеогеография	Геоморфология и палеогеография, 1, 2.33% Геоморфология и палеогеография 1 publication, 2.33%
	1 2 3 4 5 6

Citing journals

	2 4 6 8 10 12
Journal of Environmental Radioactivity	Journal of Environmental Radioactivity, 12, 7.32% Journal of Environmental Radioactivity 12 citations, 7.32%
Radiochemistry	Radiochemistry, 10, 6.1% Radiochemistry 10 citations, 6.1%
Journal not defined	Journal not defined, 8, 4.88% Journal not defined 8 citations, 4.88%
Environmental Science and Pollution Research	Environmental Science and Pollution Research, 7, 4.27% Environmental Science and Pollution Research 7 citations, 4.27%
Journal of Radioanalytical and Nuclear Chemistry	Journal of Radioanalytical and Nuclear Chemistry, 5, 3.05% Journal of Radioanalytical and Nuclear Chemistry 5 citations, 3.05%
Applied Geochemistry	Applied Geochemistry, 5, 3.05% Applied Geochemistry 5 citations, 3.05%
Land	Land, 4, 2.44% Land 4 citations, 2.44%
Holocene	Holocene, 4, 2.44% Holocene 4 citations, 2.44%
РАДИОХИМИЯ	РАДИОХИМИЯ, 4, 2.44% РАДИОХИМИЯ 4 citations, 2.44%
Геоморфология и палеогеография	Геоморфология и палеогеография, 4, 2.44% Геоморфология и палеогеография 4 citations, 2.44%
ACS Earth and Space Chemistry	ACS Earth and Space Chemistry, 3, 1.83% ACS Earth and Space Chemistry 3 citations, 1.83%
Catena	Catena, 3, 1.83% Catena 3 citations, 1.83%
Journal of Soils and Sediments	Journal of Soils and Sediments, 3, 1.83% Journal of Soils and Sediments 3 citations, 1.83%
E3S Web of Conferences	E3S Web of Conferences, 3, 1.83% E3S Web of Conferences 3 citations, 1.83%
Environmental Pollution	Environmental Pollution, 3, 1.83% Environmental Pollution 3 citations, 1.83%
Applied Sciences (Switzerland)	Applied Sciences (Switzerland), 3, 1.83% Applied Sciences (Switzerland) 3 citations, 1.83%
Chemosphere	Chemosphere, 3, 1.83% Chemosphere 3 citations, 1.83%
Water (Switzerland)	Water (Switzerland), 3, 1.83% Water (Switzerland) 3 citations, 1.83%
Journal of Environmental Chemical Engineering	Journal of Environmental Chemical Engineering, 2, 1.22% Journal of Environmental Chemical Engineering 2 citations, 1.22%
Molecules	Molecules, 2, 1.22% Molecules 2 citations, 1.22%
Marine Pollution Bulletin	Marine Pollution Bulletin, 2, 1.22% Marine Pollution Bulletin 2 citations, 1.22%
Environmental Earth Sciences	Environmental Earth Sciences, 2, 1.22% Environmental Earth Sciences 2 citations, 1.22%
Journal of Geochemical Exploration	Journal of Geochemical Exploration, 2, 1.22% Journal of Geochemical Exploration 2 citations, 1.22%
Moscow University Chemistry Bulletin	Moscow University Chemistry Bulletin, 2, 1.22% Moscow University Chemistry Bulletin 2 citations, 1.22%
Doklady Earth Sciences	Doklady Earth Sciences, 2, 1.22% Doklady Earth Sciences 2 citations, 1.22%
Sustainability	Sustainability, 2, 1.22% Sustainability 2 citations, 1.22%
Minerals	Minerals, 2, 1.22% Minerals 2 citations, 1.22%
Izvestiya Rossiiskoi Akademii Nauk. Seriya Geograficheskaya	Izvestiya Rossiiskoi Akademii Nauk. Seriya Geograficheskaya, 2, 1.22% Izvestiya Rossiiskoi Akademii Nauk. Seriya Geograficheskaya 2 citations, 1.22%
Regional Studies in Marine Science	Regional Studies in Marine Science, 1, 0.61% Regional Studies in Marine Science 1 citation, 0.61%
Environmental International	Environmental International, 1, 0.61% Environmental International 1 citation, 0.61%
New Journal of Chemistry	New Journal of Chemistry, 1, 0.61% New Journal of Chemistry 1 citation, 0.61%
Oecologia	Oecologia, 1, 0.61% Oecologia 1 citation, 0.61%
Science of the Total Environment	Science of the Total Environment, 1, 0.61% Science of the Total Environment 1 citation, 0.61%
Environmental Science and Engineering	Environmental Science and Engineering, 1, 0.61% Environmental Science and Engineering 1 citation, 0.61%
Quaternary International	Quaternary International, 1, 0.61% Quaternary International 1 citation, 0.61%
Environmental Research	Environmental Research, 1, 0.61% Environmental Research 1 citation, 0.61%
Quaternary Science Reviews	Quaternary Science Reviews, 1, 0.61% Quaternary Science Reviews 1 citation, 0.61%
Applied Materials Today	Applied Materials Today, 1, 0.61% Applied Materials Today 1 citation, 0.61%
Led i Sneg	Led i Sneg, 1, 0.61% Led i Sneg 1 citation, 0.61%
Pedosphere	Pedosphere, 1, 0.61% Pedosphere 1 citation, 0.61%
Atmosphere	Atmosphere, 1, 0.61% Atmosphere 1 citation, 0.61%
Proceedings of the International Association of Hydrological Sciences	Proceedings of the International Association of Hydrological Sciences, 1, 0.61% Proceedings of the International Association of Hydrological Sciences 1 citation, 0.61%
Water, Air, and Soil Pollution	Water, Air, and Soil Pollution, 1, 0.61% Water, Air, and Soil Pollution 1 citation, 0.61%
Ore Geology Reviews	Ore Geology Reviews, 1, 0.61% Ore Geology Reviews 1 citation, 0.61%
Water Environment Research	Water Environment Research, 1, 0.61% Water Environment Research 1 citation, 0.61%
Radiation Protection Dosimetry	Radiation Protection Dosimetry, 1, 0.61% Radiation Protection Dosimetry 1 citation, 0.61%
Health Physics	Health Physics, 1, 0.61% Health Physics 1 citation, 0.61%
Eurasian Soil Science	Eurasian Soil Science, 1, 0.61% Eurasian Soil Science 1 citation, 0.61%
Soil and Tillage Research	Soil and Tillage Research, 1, 0.61% Soil and Tillage Research 1 citation, 0.61%
Vestnik Moskovskogo Unviersiteta, Seriya Geografiya	Vestnik Moskovskogo Unviersiteta, Seriya Geografiya, 1, 0.61% Vestnik Moskovskogo Unviersiteta, Seriya Geografiya 1 citation, 0.61%
Atomic Energy	Atomic Energy, 1, 0.61% Atomic Energy 1 citation, 0.61%
Scientific Reports	Scientific Reports, 1, 0.61% Scientific Reports 1 citation, 0.61%
Journal of Paleolimnology	Journal of Paleolimnology, 1, 0.61% Journal of Paleolimnology 1 citation, 0.61%
Energy Science and Engineering	Energy Science and Engineering, 1, 0.61% Energy Science and Engineering 1 citation, 0.61%
Microchemical Journal	Microchemical Journal, 1, 0.61% Microchemical Journal 1 citation, 0.61%
Environmental Geochemistry and Health	Environmental Geochemistry and Health, 1, 0.61% Environmental Geochemistry and Health 1 citation, 0.61%
Plant Physiology and Biochemistry	Plant Physiology and Biochemistry, 1, 0.61% Plant Physiology and Biochemistry 1 citation, 0.61%
Hydrological Processes	Hydrological Processes, 1, 0.61% Hydrological Processes 1 citation, 0.61%
Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment	Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, 1, 0.61% Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment 1 citation, 0.61%
Analytica Chimica Acta	Analytica Chimica Acta, 1, 0.61% Analytica Chimica Acta 1 citation, 0.61%
Journal of Environmental Management	Journal of Environmental Management, 1, 0.61% Journal of Environmental Management 1 citation, 0.61%
Processes	Processes, 1, 0.61% Processes 1 citation, 0.61%
Journal of Hydrology	Journal of Hydrology, 1, 0.61% Journal of Hydrology 1 citation, 0.61%
Biology Bulletin	Biology Bulletin, 1, 0.61% Biology Bulletin 1 citation, 0.61%
Continental Shelf Research	Continental Shelf Research, 1, 0.61% Continental Shelf Research 1 citation, 0.61%
Environmental Sciences: Processes and Impacts	Environmental Sciences: Processes and Impacts, 1, 0.61% Environmental Sciences: Processes and Impacts 1 citation, 0.61%
AIP Conference Proceedings	AIP Conference Proceedings, 1, 0.61% AIP Conference Proceedings 1 citation, 0.61%
Environmental Science & Technology	Environmental Science & Technology, 1, 0.61% Environmental Science & Technology 1 citation, 0.61%
Bulletin of the Russian Academy of Sciences: Physics	Bulletin of the Russian Academy of Sciences: Physics, 1, 0.61% Bulletin of the Russian Academy of Sciences: Physics 1 citation, 0.61%
Separation and Purification Technology	Separation and Purification Technology, 1, 0.61% Separation and Purification Technology 1 citation, 0.61%
Hydrology	Hydrology, 1, 0.61% Hydrology 1 citation, 0.61%
Chemical Geology	Chemical Geology, 1, 0.61% Chemical Geology 1 citation, 0.61%
Environmental Monitoring and Assessment	Environmental Monitoring and Assessment, 1, 0.61% Environmental Monitoring and Assessment 1 citation, 0.61%
Moscow University Soil Science Bulletin	Moscow University Soil Science Bulletin, 1, 0.61% Moscow University Soil Science Bulletin 1 citation, 0.61%
Радиационная биология Радиоэкология	Радиационная биология Радиоэкология, 1, 0.61% Радиационная биология Радиоэкология 1 citation, 0.61%
Почвоведение	Почвоведение, 1, 0.61% Почвоведение 1 citation, 0.61%
Perspectives in Science	Perspectives in Science, 1, 0.61% Perspectives in Science 1 citation, 0.61%
Vestnik of Geosciences	Vestnik of Geosciences, 1, 0.61% Vestnik of Geosciences 1 citation, 0.61%
ACS Agricultural Science & Technology	ACS Agricultural Science & Technology, 1, 0.61% ACS Agricultural Science & Technology 1 citation, 0.61%
Agrochemicals	Agrochemicals, 1, 0.61% Agrochemicals 1 citation, 0.61%
National Science Open	National Science Open, 1, 0.61% National Science Open 1 citation, 0.61%
Lomonosov Soil Science Journal	Lomonosov Soil Science Journal, 1, 0.61% Lomonosov Soil Science Journal 1 citation, 0.61%
Nuclear Analysis	Nuclear Analysis, 1, 0.61% Nuclear Analysis 1 citation, 0.61%
Graduate Texts in Physics	Graduate Texts in Physics, 1, 0.61% Graduate Texts in Physics 1 citation, 0.61%
Global Degradation of Soil and Water Resources	Global Degradation of Soil and Water Resources, 1, 0.61% Global Degradation of Soil and Water Resources 1 citation, 0.61%

	2 4 6 8 10 12

Publishers

	2 4 6 8 10 12
Elsevier	Elsevier, 12, 27.91% Elsevier 12 publications, 27.91%
Pleiades Publishing	Pleiades Publishing, 9, 20.93% Pleiades Publishing 9 publications, 20.93%
Springer Nature	Springer Nature, 8, 18.6% Springer Nature 8 publications, 18.6%
MDPI	MDPI, 4, 9.3% MDPI 4 publications, 9.3%
IOP Publishing	IOP Publishing, 2, 4.65% IOP Publishing 2 publications, 4.65%
The Russian Academy of Sciences	The Russian Academy of Sciences, 2, 4.65% The Russian Academy of Sciences 2 publications, 4.65%
SAGE	SAGE, 1, 2.33% SAGE 1 publication, 2.33%
EDP Sciences	EDP Sciences, 1, 2.33% EDP Sciences 1 publication, 2.33%
Ore & Metals Publishing House	Ore & Metals Publishing House, 1, 2.33% Ore & Metals Publishing House 1 publication, 2.33%
Copernicus	Copernicus, 1, 2.33% Copernicus 1 publication, 2.33%
V.V. Dokuchaev Soil Science Institute	V.V. Dokuchaev Soil Science Institute, 1, 2.33% V.V. Dokuchaev Soil Science Institute 1 publication, 2.33%
Limnological Institute SB RAS	Limnological Institute SB RAS, 1, 2.33% Limnological Institute SB RAS 1 publication, 2.33%
	2 4 6 8 10 12

Organizations from articles

Countries from articles

	5 10 15 20 25 30 35 40
Russia	Russia, 38, 88.37% Russia 38 publications, 88.37%
China	China, 9, 20.93% China 9 publications, 20.93%
Country not defined	Country not defined, 7, 16.28% Country not defined 7 publications, 16.28%
Germany	Germany, 1, 2.33% Germany 1 publication, 2.33%
United Kingdom	United Kingdom, 1, 2.33% United Kingdom 1 publication, 2.33%
Japan	Japan, 1, 2.33% Japan 1 publication, 2.33%
Abkhazia	Abkhazia, 1, 2.33% Abkhazia 1 publication, 2.33%
	5 10 15 20 25 30 35 40

Citing organizations

	5 10 15 20 25 30 35 40 45 50
Lomonosov Moscow State University	Lomonosov Moscow State University, 46, 28.05% Lomonosov Moscow State University 46 citations, 28.05%
Organization not defined	Organization not defined, 22, 13.41% Organization not defined 22 citations, 13.41%
Institute of Geography of the Russian Academy of Sciences	Institute of Geography of the Russian Academy of Sciences, 22, 13.41% Institute of Geography of the Russian Academy of Sciences 22 citations, 13.41%
Vernadsky Institute of Geochemistry and Analytical Chemistry of the Russian Academy of Sciences	Vernadsky Institute of Geochemistry and Analytical Chemistry of the Russian Academy of Sciences, 9, 5.49% Vernadsky Institute of Geochemistry and Analytical Chemistry of the Russian Academy of Sciences 9 citations, 5.49%
Lanzhou University	Lanzhou University, 7, 4.27% Lanzhou University 7 citations, 4.27%
Fukushima University	Fukushima University, 7, 4.27% Fukushima University 7 citations, 4.27%
A.N. Frumkin Institute of Physical Chemistry and Electrochemistry of the Russian Academy of Sciences	A.N. Frumkin Institute of Physical Chemistry and Electrochemistry of the Russian Academy of Sciences, 6, 3.66% A.N. Frumkin Institute of Physical Chemistry and Electrochemistry of the Russian Academy of Sciences 6 citations, 3.66%
V.S. Sobolev Institute of Geology and Mineralogy of the Siberian Branch of the Russian Academy of Sciences	V.S. Sobolev Institute of Geology and Mineralogy of the Siberian Branch of the Russian Academy of Sciences, 6, 3.66% V.S. Sobolev Institute of Geology and Mineralogy of the Siberian Branch of the Russian Academy of Sciences 6 citations, 3.66%
Siberian Federal University	Siberian Federal University, 5, 3.05% Siberian Federal University 5 citations, 3.05%
Institute of Biophysics of the Siberian Branch of the Russian Academy of Sciences	Institute of Biophysics of the Siberian Branch of the Russian Academy of Sciences, 4, 2.44% Institute of Biophysics of the Siberian Branch of the Russian Academy of Sciences 4 citations, 2.44%
Institute of Chemistry of the Far Eastern Branch of the Russian Academy of Sciences	Institute of Chemistry of the Far Eastern Branch of the Russian Academy of Sciences, 4, 2.44% Institute of Chemistry of the Far Eastern Branch of the Russian Academy of Sciences 4 citations, 2.44%
Federal Research Center "Krasnoyarsk Science Center" of the Siberian Branch of the Russian Academy of Sciences	Federal Research Center "Krasnoyarsk Science Center" of the Siberian Branch of the Russian Academy of Sciences, 4, 2.44% Federal Research Center "Krasnoyarsk Science Center" of the Siberian Branch of the Russian Academy of Sciences 4 citations, 2.44%
A.N. Severtsov Institute of Ecology and Evolution of the Russian Academy of Sciences	A.N. Severtsov Institute of Ecology and Evolution of the Russian Academy of Sciences, 3, 1.83% A.N. Severtsov Institute of Ecology and Evolution of the Russian Academy of Sciences 3 citations, 1.83%
Kazan Federal University	Kazan Federal University, 3, 1.83% Kazan Federal University 3 citations, 1.83%
Ural Federal University	Ural Federal University, 3, 1.83% Ural Federal University 3 citations, 1.83%
Institute of Geology of Ore Deposits, Petrography, Mineralogy and Geochemistry of the Russian Academy of Sciences	Institute of Geology of Ore Deposits, Petrography, Mineralogy and Geochemistry of the Russian Academy of Sciences, 3, 1.83% Institute of Geology of Ore Deposits, Petrography, Mineralogy and Geochemistry of the Russian Academy of Sciences 3 citations, 1.83%
Laverov Federal Center of Integrated Arctic Research of the Ural Branch of the Russian Academy of Sciences	Laverov Federal Center of Integrated Arctic Research of the Ural Branch of the Russian Academy of Sciences, 3, 1.83% Laverov Federal Center of Integrated Arctic Research of the Ural Branch of the Russian Academy of Sciences 3 citations, 1.83%
National Research University Higher School of Economics	National Research University Higher School of Economics, 2, 1.22% National Research University Higher School of Economics 2 citations, 1.22%
Ufa Institute of the Ufa Federal Research Center of the Russian Academy of Sciences	Ufa Institute of the Ufa Federal Research Center of the Russian Academy of Sciences, 2, 1.22% Ufa Institute of the Ufa Federal Research Center of the Russian Academy of Sciences 2 citations, 1.22%
A. O. Kovalevsky Institute of Biology of the Southern Seas of the Russian Academy of Science	A. O. Kovalevsky Institute of Biology of the Southern Seas of the Russian Academy of Science, 2, 1.22% A. O. Kovalevsky Institute of Biology of the Southern Seas of the Russian Academy of Science 2 citations, 1.22%
Saint Petersburg State University	Saint Petersburg State University, 2, 1.22% Saint Petersburg State University 2 citations, 1.22%
National Research Centre "Kurchatov Institute"	National Research Centre "Kurchatov Institute", 2, 1.22% National Research Centre "Kurchatov Institute" 2 citations, 1.22%
Penza State University	Penza State University, 2, 1.22% Penza State University 2 citations, 1.22%
All-Russian Research Institute of Forestry and Forestry Mechanization	All-Russian Research Institute of Forestry and Forestry Mechanization, 2, 1.22% All-Russian Research Institute of Forestry and Forestry Mechanization 2 citations, 1.22%
Sakhalin State University	Sakhalin State University, 2, 1.22% Sakhalin State University 2 citations, 1.22%
University of Chinese Academy of Sciences	University of Chinese Academy of Sciences, 2, 1.22% University of Chinese Academy of Sciences 2 citations, 1.22%
Aix-Marseille University	Aix-Marseille University, 2, 1.22% Aix-Marseille University 2 citations, 1.22%
Nanjing University	Nanjing University, 2, 1.22% Nanjing University 2 citations, 1.22%
China University of Geosciences (Beijing)	China University of Geosciences (Beijing), 2, 1.22% China University of Geosciences (Beijing) 2 citations, 1.22%
Shenzhen MSU-BIT University	Shenzhen MSU-BIT University, 2, 1.22% Shenzhen MSU-BIT University 2 citations, 1.22%
Tianjin University of Science and Technology	Tianjin University of Science and Technology, 2, 1.22% Tianjin University of Science and Technology 2 citations, 1.22%
Shanghai University	Shanghai University, 2, 1.22% Shanghai University 2 citations, 1.22%
Foshan University	Foshan University, 2, 1.22% Foshan University 2 citations, 1.22%
Maikop State Technological University	Maikop State Technological University, 2, 1.22% Maikop State Technological University 2 citations, 1.22%
Institute of High Energy Physics, Chinese Academy of Sciences	Institute of High Energy Physics, Chinese Academy of Sciences, 2, 1.22% Institute of High Energy Physics, Chinese Academy of Sciences 2 citations, 1.22%
Guangxi University	Guangxi University, 2, 1.22% Guangxi University 2 citations, 1.22%
Institute of Earth Environment, Chinese Academy of Sciences	Institute of Earth Environment, Chinese Academy of Sciences, 2, 1.22% Institute of Earth Environment, Chinese Academy of Sciences 2 citations, 1.22%
Maria Curie-Skłodowska University	Maria Curie-Skłodowska University, 2, 1.22% Maria Curie-Skłodowska University 2 citations, 1.22%
Institute of Geology of the Czech Academy of Sciences	Institute of Geology of the Czech Academy of Sciences, 2, 1.22% Institute of Geology of the Czech Academy of Sciences 2 citations, 1.22%
Institute of Chemistry and Chemical Technology of the Siberian Branch of the Russian Academy of Sciences	Institute of Chemistry and Chemical Technology of the Siberian Branch of the Russian Academy of Sciences, 1, 0.61% Institute of Chemistry and Chemical Technology of the Siberian Branch of the Russian Academy of Sciences 1 citation, 0.61%
Institute of Chemistry Komi SC of the Ural Branch of the Russian Academy of Sciences	Institute of Chemistry Komi SC of the Ural Branch of the Russian Academy of Sciences, 1, 0.61% Institute of Chemistry Komi SC of the Ural Branch of the Russian Academy of Sciences 1 citation, 0.61%
Far Eastern Federal University	Far Eastern Federal University, 1, 0.61% Far Eastern Federal University 1 citation, 0.61%
Lobachevsky State University of Nizhny Novgorod	Lobachevsky State University of Nizhny Novgorod, 1, 0.61% Lobachevsky State University of Nizhny Novgorod 1 citation, 0.61%
National Research Tomsk Polytechnic University	National Research Tomsk Polytechnic University, 1, 0.61% National Research Tomsk Polytechnic University 1 citation, 0.61%
P. P. Shirshov Institute of Oceanology of the Russian Academy of Sciences	P. P. Shirshov Institute of Oceanology of the Russian Academy of Sciences, 1, 0.61% P. P. Shirshov Institute of Oceanology of the Russian Academy of Sciences 1 citation, 0.61%
Joint Institute for Nuclear Research	Joint Institute for Nuclear Research, 1, 0.61% Joint Institute for Nuclear Research 1 citation, 0.61%
Belgorod State University	Belgorod State University, 1, 0.61% Belgorod State University 1 citation, 0.61%
Tananaev Institute of Chemistry of the Kola Science Centre of the Russian Academy of Sciences	Tananaev Institute of Chemistry of the Kola Science Centre of the Russian Academy of Sciences, 1, 0.61% Tananaev Institute of Chemistry of the Kola Science Centre of the Russian Academy of Sciences 1 citation, 0.61%
Institute of Radiobiology of the National Academy of Sciences of Belarus	Institute of Radiobiology of the National Academy of Sciences of Belarus, 1, 0.61% Institute of Radiobiology of the National Academy of Sciences of Belarus 1 citation, 0.61%
Dokuchaev Soil Science Institute	Dokuchaev Soil Science Institute, 1, 0.61% Dokuchaev Soil Science Institute 1 citation, 0.61%
Geological Institute of the Russian Academy of Sciences	Geological Institute of the Russian Academy of Sciences, 1, 0.61% Geological Institute of the Russian Academy of Sciences 1 citation, 0.61%
Water Problems Institute of the Russian Academy of Sciences	Water Problems Institute of the Russian Academy of Sciences, 1, 0.61% Water Problems Institute of the Russian Academy of Sciences 1 citation, 0.61%
Kola Science Center of the Russian Academy of Sciences	Kola Science Center of the Russian Academy of Sciences, 1, 0.61% Kola Science Center of the Russian Academy of Sciences 1 citation, 0.61%
Marine Hydrophysical Institute of the Russian Academy of Sciences	Marine Hydrophysical Institute of the Russian Academy of Sciences, 1, 0.61% Marine Hydrophysical Institute of the Russian Academy of Sciences 1 citation, 0.61%
Sevastopol State University	Sevastopol State University, 1, 0.61% Sevastopol State University 1 citation, 0.61%
Ufa Federal Research Center of the Russian Academy of Sciences	Ufa Federal Research Center of the Russian Academy of Sciences, 1, 0.61% Ufa Federal Research Center of the Russian Academy of Sciences 1 citation, 0.61%
Tsitsin Main Moscow Botanical Garden of the Russian Academy of Sciences	Tsitsin Main Moscow Botanical Garden of the Russian Academy of Sciences, 1, 0.61% Tsitsin Main Moscow Botanical Garden of the Russian Academy of Sciences 1 citation, 0.61%
Sergeev Institute of Environmental Geoscience of the Russian Academy of Sciences	Sergeev Institute of Environmental Geoscience of the Russian Academy of Sciences, 1, 0.61% Sergeev Institute of Environmental Geoscience of the Russian Academy of Sciences 1 citation, 0.61%
Institute of Radiation Safety and Ecology	Institute of Radiation Safety and Ecology, 1, 0.61% Institute of Radiation Safety and Ecology 1 citation, 0.61%
Institute of Geological Sciences National Academy of Sciences of the Republic of Armenia	Institute of Geological Sciences National Academy of Sciences of the Republic of Armenia, 1, 0.61% Institute of Geological Sciences National Academy of Sciences of the Republic of Armenia 1 citation, 0.61%
Institute of Archaeology and Ethnography National Academy of Sciences of the Republic of Armenia	Institute of Archaeology and Ethnography National Academy of Sciences of the Republic of Armenia, 1, 0.61% Institute of Archaeology and Ethnography National Academy of Sciences of the Republic of Armenia 1 citation, 0.61%
Georgian Technical University	Georgian Technical University, 1, 0.61% Georgian Technical University 1 citation, 0.61%
King Khalid University	King Khalid University, 1, 0.61% King Khalid University 1 citation, 0.61%
Northern Border University	Northern Border University, 1, 0.61% Northern Border University 1 citation, 0.61%
Amity University, Dubai	Amity University, Dubai, 1, 0.61% Amity University, Dubai 1 citation, 0.61%
Shahrood University of technology	Shahrood University of technology, 1, 0.61% Shahrood University of technology 1 citation, 0.61%
Shanghai Jiao Tong University	Shanghai Jiao Tong University, 1, 0.61% Shanghai Jiao Tong University 1 citation, 0.61%
Amity University, Noida	Amity University, Noida, 1, 0.61% Amity University, Noida 1 citation, 0.61%
Lund University	Lund University, 1, 0.61% Lund University 1 citation, 0.61%
University of Burdwan	University of Burdwan, 1, 0.61% University of Burdwan 1 citation, 0.61%
University of Bayreuth	University of Bayreuth, 1, 0.61% University of Bayreuth 1 citation, 0.61%
University Malaysia, Terengganu	University Malaysia, Terengganu, 1, 0.61% University Malaysia, Terengganu 1 citation, 0.61%
Sidi Mohamed Ben Abdellah University	Sidi Mohamed Ben Abdellah University, 1, 0.61% Sidi Mohamed Ben Abdellah University 1 citation, 0.61%
University of Helsinki	University of Helsinki, 1, 0.61% University of Helsinki 1 citation, 0.61%
China University of Geosciences (Wuhan)	China University of Geosciences (Wuhan), 1, 0.61% China University of Geosciences (Wuhan) 1 citation, 0.61%
Wuhan Polytechnic University	Wuhan Polytechnic University, 1, 0.61% Wuhan Polytechnic University 1 citation, 0.61%
University of Naples Federico II	University of Naples Federico II, 1, 0.61% University of Naples Federico II 1 citation, 0.61%
Sun Yat-sen University	Sun Yat-sen University, 1, 0.61% Sun Yat-sen University 1 citation, 0.61%
Hunan Normal University	Hunan Normal University, 1, 0.61% Hunan Normal University 1 citation, 0.61%
Xiamen University	Xiamen University, 1, 0.61% Xiamen University 1 citation, 0.61%
Yangtze University	Yangtze University, 1, 0.61% Yangtze University 1 citation, 0.61%
Soochow University (Suzhou)	Soochow University (Suzhou), 1, 0.61% Soochow University (Suzhou) 1 citation, 0.61%
Technical University of Denmark	Technical University of Denmark, 1, 0.61% Technical University of Denmark 1 citation, 0.61%
Guangzhou University	Guangzhou University, 1, 0.61% Guangzhou University 1 citation, 0.61%
University of Manchester	University of Manchester, 1, 0.61% University of Manchester 1 citation, 0.61%
Lawrence Berkeley National Laboratory	Lawrence Berkeley National Laboratory, 1, 0.61% Lawrence Berkeley National Laboratory 1 citation, 0.61%
Chengdu University of Technology	Chengdu University of Technology, 1, 0.61% Chengdu University of Technology 1 citation, 0.61%
Anhui Normal University	Anhui Normal University, 1, 0.61% Anhui Normal University 1 citation, 0.61%
Xi'an University of Technology	Xi'an University of Technology, 1, 0.61% Xi'an University of Technology 1 citation, 0.61%
Shandong Jianzhu University	Shandong Jianzhu University, 1, 0.61% Shandong Jianzhu University 1 citation, 0.61%
University of Molise	University of Molise, 1, 0.61% University of Molise 1 citation, 0.61%
Manaaki Whenua – Landcare Research	Manaaki Whenua – Landcare Research, 1, 0.61% Manaaki Whenua – Landcare Research 1 citation, 0.61%
Seoul National University of Science and Technology	Seoul National University of Science and Technology, 1, 0.61% Seoul National University of Science and Technology 1 citation, 0.61%
Clemson University	Clemson University, 1, 0.61% Clemson University 1 citation, 0.61%
Lawrence Livermore National Laboratory	Lawrence Livermore National Laboratory, 1, 0.61% Lawrence Livermore National Laboratory 1 citation, 0.61%
Zhejiang University of Water Resources and Electric Power	Zhejiang University of Water Resources and Electric Power, 1, 0.61% Zhejiang University of Water Resources and Electric Power 1 citation, 0.61%
Namseoul University	Namseoul University, 1, 0.61% Namseoul University 1 citation, 0.61%
Hunan University	Hunan University, 1, 0.61% Hunan University 1 citation, 0.61%
University of Notre Dame	University of Notre Dame, 1, 0.61% University of Notre Dame 1 citation, 0.61%
University of Michigan	University of Michigan, 1, 0.61% University of Michigan 1 citation, 0.61%
Hezhou University	Hezhou University, 1, 0.61% Hezhou University 1 citation, 0.61%
Universidad de Sevilla	Universidad de Sevilla, 1, 0.61% Universidad de Sevilla 1 citation, 0.61%
Universidad Nacional Autónoma de México	Universidad Nacional Autónoma de México, 1, 0.61% Universidad Nacional Autónoma de México 1 citation, 0.61%
Guangzhou Institute of Geochemistry, Chinese Academy of Sciences	Guangzhou Institute of Geochemistry, Chinese Academy of Sciences, 1, 0.61% Guangzhou Institute of Geochemistry, Chinese Academy of Sciences 1 citation, 0.61%
Federal Institute for Geosciences and Natural Resources	Federal Institute for Geosciences and Natural Resources, 1, 0.61% Federal Institute for Geosciences and Natural Resources 1 citation, 0.61%
Federal University of Bahia	Federal University of Bahia, 1, 0.61% Federal University of Bahia 1 citation, 0.61%
Université Laval	Université Laval, 1, 0.61% Université Laval 1 citation, 0.61%
École Normale Supérieure de Lyon	École Normale Supérieure de Lyon, 1, 0.61% École Normale Supérieure de Lyon 1 citation, 0.61%
Sylhet Agricultural University	Sylhet Agricultural University, 1, 0.61% Sylhet Agricultural University 1 citation, 0.61%
Patuakhali Science and Technology University	Patuakhali Science and Technology University, 1, 0.61% Patuakhali Science and Technology University 1 citation, 0.61%
Ibn Zohr University	Ibn Zohr University, 1, 0.61% Ibn Zohr University 1 citation, 0.61%
Diamond Light Source	Diamond Light Source, 1, 0.61% Diamond Light Source 1 citation, 0.61%
Vilnius Gediminas Technical University	Vilnius Gediminas Technical University, 1, 0.61% Vilnius Gediminas Technical University 1 citation, 0.61%
Horia Hulubei National Institute of Physics and Nuclear Engineering	Horia Hulubei National Institute of Physics and Nuclear Engineering, 1, 0.61% Horia Hulubei National Institute of Physics and Nuclear Engineering 1 citation, 0.61%
Universidad de la Costa	Universidad de la Costa, 1, 0.61% Universidad de la Costa 1 citation, 0.61%
Palacký University Olomouc	Palacký University Olomouc, 1, 0.61% Palacký University Olomouc 1 citation, 0.61%
University of Montpellier	University of Montpellier, 1, 0.61% University of Montpellier 1 citation, 0.61%
Jan Evangelista Purkyně University in Ústí nad Labem	Jan Evangelista Purkyně University in Ústí nad Labem, 1, 0.61% Jan Evangelista Purkyně University in Ústí nad Labem 1 citation, 0.61%
Université Claude Bernard Lyon 1	Université Claude Bernard Lyon 1, 1, 0.61% Université Claude Bernard Lyon 1 1 citation, 0.61%
University Savoie Mont Blanc	University Savoie Mont Blanc, 1, 0.61% University Savoie Mont Blanc 1 citation, 0.61%
Laboratoire de Géologie de Lyon: Terre, Planètes et Environnement	Laboratoire de Géologie de Lyon: Terre, Planètes et Environnement, 1, 0.61% Laboratoire de Géologie de Lyon: Terre, Planètes et Environnement 1 citation, 0.61%
Kennesaw State University	Kennesaw State University, 1, 0.61% Kennesaw State University 1 citation, 0.61%
Institute of Inorganic Chemistry of the Czech Academy of Sciences	Institute of Inorganic Chemistry of the Czech Academy of Sciences, 1, 0.61% Institute of Inorganic Chemistry of the Czech Academy of Sciences 1 citation, 0.61%
Instituto Militar de Engenharia	Instituto Militar de Engenharia, 1, 0.61% Instituto Militar de Engenharia 1 citation, 0.61%
Institute of Mountain Hazards and Environment, Chinese Academy of Sciences	Institute of Mountain Hazards and Environment, Chinese Academy of Sciences, 1, 0.61% Institute of Mountain Hazards and Environment, Chinese Academy of Sciences 1 citation, 0.61%
Northwest Institute of Eco-Environment and Resources, Chinese Academy of Sciences	Northwest Institute of Eco-Environment and Resources, Chinese Academy of Sciences, 1, 0.61% Northwest Institute of Eco-Environment and Resources, Chinese Academy of Sciences 1 citation, 0.61%
South China Sea Institute Of Oceanology, Chinese Academy of Sciences	South China Sea Institute Of Oceanology, Chinese Academy of Sciences, 1, 0.61% South China Sea Institute Of Oceanology, Chinese Academy of Sciences 1 citation, 0.61%
Guangdong Academy of Sciences	Guangdong Academy of Sciences, 1, 0.61% Guangdong Academy of Sciences 1 citation, 0.61%

	5 10 15 20 25 30 35 40 45 50

Citing countries

	10 20 30 40 50 60 70 80
Russia	Russia, 74, 45.12% Russia 74 citations, 45.12%
China	China, 35, 21.34% China 35 citations, 21.34%
Country not defined	Country not defined, 15, 9.15% Country not defined 15 citations, 9.15%
Japan	Japan, 8, 4.88% Japan 8 citations, 4.88%
USA	USA, 6, 3.66% USA 6 citations, 3.66%
France	France, 5, 3.05% France 5 citations, 3.05%
Ukraine	Ukraine, 5, 3.05% Ukraine 5 citations, 3.05%
Germany	Germany, 4, 2.44% Germany 4 citations, 2.44%
Armenia	Armenia, 4, 2.44% Armenia 4 citations, 2.44%
Poland	Poland, 4, 2.44% Poland 4 citations, 2.44%
Czech Republic	Czech Republic, 3, 1.83% Czech Republic 3 citations, 1.83%
India	India, 2, 1.22% India 2 citations, 1.22%
Spain	Spain, 2, 1.22% Spain 2 citations, 1.22%
Italy	Italy, 2, 1.22% Italy 2 citations, 1.22%
Canada	Canada, 2, 1.22% Canada 2 citations, 1.22%
Republic of Korea	Republic of Korea, 2, 1.22% Republic of Korea 2 citations, 1.22%
Saudi Arabia	Saudi Arabia, 2, 1.22% Saudi Arabia 2 citations, 1.22%
Kazakhstan	Kazakhstan, 1, 0.61% Kazakhstan 1 citation, 0.61%
Belarus	Belarus, 1, 0.61% Belarus 1 citation, 0.61%
Austria	Austria, 1, 0.61% Austria 1 citation, 0.61%
Bangladesh	Bangladesh, 1, 0.61% Bangladesh 1 citation, 0.61%
Brazil	Brazil, 1, 0.61% Brazil 1 citation, 0.61%
United Kingdom	United Kingdom, 1, 0.61% United Kingdom 1 citation, 0.61%
Georgia	Georgia, 1, 0.61% Georgia 1 citation, 0.61%
Denmark	Denmark, 1, 0.61% Denmark 1 citation, 0.61%
Iran	Iran, 1, 0.61% Iran 1 citation, 0.61%
Colombia	Colombia, 1, 0.61% Colombia 1 citation, 0.61%
Lithuania	Lithuania, 1, 0.61% Lithuania 1 citation, 0.61%
Malaysia	Malaysia, 1, 0.61% Malaysia 1 citation, 0.61%
Morocco	Morocco, 1, 0.61% Morocco 1 citation, 0.61%
Mexico	Mexico, 1, 0.61% Mexico 1 citation, 0.61%
New Zealand	New Zealand, 1, 0.61% New Zealand 1 citation, 0.61%
Romania	Romania, 1, 0.61% Romania 1 citation, 0.61%
Finland	Finland, 1, 0.61% Finland 1 citation, 0.61%
Sweden	Sweden, 1, 0.61% Sweden 1 citation, 0.61%
Abkhazia	Abkhazia, 1, 0.61% Abkhazia 1 citation, 0.61%

	10 20 30 40 50 60 70 80

We do not take into account publications without a DOI.
Statistics recalculated daily.