Found 
Found 
Found 
See full statistics
Total publications
63
Total citations
878
Citations per publication
13.94
Average publications per year
2.03
Average coauthors
5.65
Publications years
1994-2024 (31 years)
h-index
17
i10-index
28
m-index
0.55
o-index
36
g-index
27
w-index
4
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.
i10-index
The number of the author's publications that received at least 10 links each.
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.
o-index
The geometric mean of the h-index and the number of citations of the most cited article of the scientist.
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.
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.

Fields of science

5
10
15
20
25
Materials Chemistry, 24, 38.1%
Materials Chemistry
24 publications, 38.1%
General Chemistry, 24, 38.1%
General Chemistry
24 publications, 38.1%
Condensed Matter Physics, 20, 31.75%
Condensed Matter Physics
20 publications, 31.75%
Electronic, Optical and Magnetic Materials, 19, 30.16%
Electronic, Optical and Magnetic Materials
19 publications, 30.16%
Electrical and Electronic Engineering, 19, 30.16%
Electrical and Electronic Engineering
19 publications, 30.16%
Surfaces, Coatings and Films, 15, 23.81%
Surfaces, Coatings and Films
15 publications, 23.81%
Mechanical Engineering, 15, 23.81%
Mechanical Engineering
15 publications, 23.81%
General Materials Science, 12, 19.05%
General Materials Science
12 publications, 19.05%
Surfaces and Interfaces, 10, 15.87%
Surfaces and Interfaces
10 publications, 15.87%
Bioengineering, 4, 6.35%
Bioengineering
4 publications, 6.35%
Metals and Alloys, 3, 4.76%
Metals and Alloys
3 publications, 4.76%
Industrial and Manufacturing Engineering, 3, 4.76%
Industrial and Manufacturing Engineering
3 publications, 4.76%
Biomedical Engineering, 3, 4.76%
Biomedical Engineering
3 publications, 4.76%
Plant Science, 2, 3.17%
Plant Science
2 publications, 3.17%
General Physics and Astronomy, 2, 3.17%
General Physics and Astronomy
2 publications, 3.17%
Applied Microbiology and Biotechnology, 2, 3.17%
Applied Microbiology and Biotechnology
2 publications, 3.17%
Biotechnology, 2, 3.17%
Biotechnology
2 publications, 3.17%
Atomic and Molecular Physics, and Optics, 2, 3.17%
Atomic and Molecular Physics, and Optics
2 publications, 3.17%
Polymers and Plastics, 2, 3.17%
Polymers and Plastics
2 publications, 3.17%
Instrumentation, 2, 3.17%
Instrumentation
2 publications, 3.17%
Mechanics of Materials, 2, 3.17%
Mechanics of Materials
2 publications, 3.17%
Forestry, 2, 3.17%
Forestry
2 publications, 3.17%
Multidisciplinary, 1, 1.59%
Multidisciplinary
1 publication, 1.59%
Statistical and Nonlinear Physics, 1, 1.59%
Statistical and Nonlinear Physics
1 publication, 1.59%
General Mathematics, 1, 1.59%
General Mathematics
1 publication, 1.59%
Energy Engineering and Power Technology, 1, 1.59%
Energy Engineering and Power Technology
1 publication, 1.59%
Fuel Technology, 1, 1.59%
Fuel Technology
1 publication, 1.59%
Renewable Energy, Sustainability and the Environment, 1, 1.59%
Renewable Energy, Sustainability and the Environment
1 publication, 1.59%
Applied Mathematics, 1, 1.59%
Applied Mathematics
1 publication, 1.59%
5
10
15
20
25

Journals

2
4
6
8
10
12
14
Diamond and Related Materials
13 publications, 20.63%
Materials
8 publications, 12.7%
Surface and Coatings Technology
7 publications, 11.11%
Journal of Nanoscience and Nanotechnology
3 publications, 4.76%
Microelectronic Engineering
2 publications, 3.17%
Wood Science and Technology
2 publications, 3.17%
Proceedings of SPIE - The International Society for Optical Engineering
2 publications, 3.17%
Journal of Wide Bandgap Materials
2 publications, 3.17%
International Journal of Nanomanufacturing
1 publication, 1.59%
Journal of Applied Polymer Science
1 publication, 1.59%
Tribology Transactions
1 publication, 1.59%
Journal of Physics: Conference Series
1 publication, 1.59%
International Journal of Nanotechnology
1 publication, 1.59%
Materials Science-Poland
1 publication, 1.59%
Chaos, Solitons and Fractals
1 publication, 1.59%
International Journal of Hydrogen Energy
1 publication, 1.59%
Vacuum
1 publication, 1.59%
Archives of Metallurgy and Materials
1 publication, 1.59%
Surface Review and Letters
1 publication, 1.59%
Thin Solid Films
1 publication, 1.59%
Advanced Engineering Materials
1 publication, 1.59%
Sensors and Actuators, A: Physical
1 publication, 1.59%
Plasma Processes and Polymers
1 publication, 1.59%
Coatings
1 publication, 1.59%
Brazilian Archives of Biology and Technology
1 publication, 1.59%
Applied Mechanics and Materials
1 publication, 1.59%
Medical Studies
1 publication, 1.59%
2
4
6
8
10
12
14

Citing journals

20
40
60
80
100
120
Journal not defined, 116, 13.21%
Journal not defined
116 citations, 13.21%
Diamond and Related Materials
94 citations, 10.71%
Surface and Coatings Technology
50 citations, 5.69%
Materials
47 citations, 5.35%
Applied Surface Science
20 citations, 2.28%
Thin Solid Films
20 citations, 2.28%
Coatings
18 citations, 2.05%
Vacuum
15 citations, 1.71%
Tribology International
11 citations, 1.25%
Nanomaterials
9 citations, 1.03%
Biomaterials
9 citations, 1.03%
Wear
9 citations, 1.03%
Journal of Biomedical Materials Research - Part A
8 citations, 0.91%
Journal of Vacuum Science and Technology A: Vacuum, Surfaces and Films
7 citations, 0.8%
Chaos, Solitons and Fractals
7 citations, 0.8%
Journal of Biomedical Materials Research - Part B Applied Biomaterials
7 citations, 0.8%
Ceramics International
7 citations, 0.8%
Plasma Processes and Polymers
7 citations, 0.8%
Brazilian Archives of Biology and Technology
7 citations, 0.8%
Journal of Applied Polymer Science
6 citations, 0.68%
Materials Research Express
6 citations, 0.68%
International Journal of Hydrogen Energy
6 citations, 0.68%
Acta Biomaterialia
6 citations, 0.68%
Journal of Applied Physics
6 citations, 0.68%
Applied Sciences (Switzerland)
6 citations, 0.68%
Journal of Materials Research and Technology
6 citations, 0.68%
Journal of Materials Science: Materials in Medicine
6 citations, 0.68%
Archives of Civil and Mechanical Engineering
5 citations, 0.57%
Membranes
5 citations, 0.57%
Advanced Engineering Materials
5 citations, 0.57%
Sensors and Actuators, A: Physical
5 citations, 0.57%
Lubricants
4 citations, 0.46%
ACS applied materials & interfaces
4 citations, 0.46%
Tribology Transactions
4 citations, 0.46%
Tribology Letters
4 citations, 0.46%
Journal of Physics: Conference Series
4 citations, 0.46%
Physica Status Solidi (A) Applications and Materials Science
4 citations, 0.46%
Materials Science and Engineering C
4 citations, 0.46%
Journal of Materials Science
4 citations, 0.46%
Applied Physics A: Materials Science and Processing
4 citations, 0.46%
Surface Review and Letters
4 citations, 0.46%
Journal of Functional Biomaterials
4 citations, 0.46%
AIP Conference Proceedings
4 citations, 0.46%
Carbon
3 citations, 0.34%
Applied Physics Letters
3 citations, 0.34%
Journal of Materials Engineering and Performance
3 citations, 0.34%
Macromolecular Symposia
3 citations, 0.34%
Optical Materials
3 citations, 0.34%
International Biodeterioration and Biodegradation
3 citations, 0.34%
Physica Status Solidi (B): Basic Research
3 citations, 0.34%
International Journal of Molecular Sciences
3 citations, 0.34%
Crystals
3 citations, 0.34%
CIRP Annals - Manufacturing Technology
3 citations, 0.34%
Sensors
3 citations, 0.34%
Surface and Interface Analysis
3 citations, 0.34%
Wood Science and Technology
3 citations, 0.34%
Journal of Adhesion Science and Technology
3 citations, 0.34%
Journal of Bio- and Tribo-Corrosion
3 citations, 0.34%
Journal of Biomedical Materials Research
3 citations, 0.34%
Analytical Imaging Techniques for Soft Matter Characterization
3 citations, 0.34%
Materials Letters
2 citations, 0.23%
Surfaces and Interfaces
2 citations, 0.23%
Transactions of the Institute of Metal Finishing
2 citations, 0.23%
Micromachines
2 citations, 0.23%
Journal of Dental Research
2 citations, 0.23%
Japanese Journal of Applied Physics, Part 1: Regular Papers & Short Notes
2 citations, 0.23%
Nuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms
2 citations, 0.23%
Electronics (Switzerland)
2 citations, 0.23%
Journal of the Electrochemical Society
2 citations, 0.23%
Autex Research Journal
2 citations, 0.23%
Materials Research
2 citations, 0.23%
Materials and Design
2 citations, 0.23%
Journal of Lightwave Technology
2 citations, 0.23%
Corrosion Science
2 citations, 0.23%
IOP Conference Series: Materials Science and Engineering
2 citations, 0.23%
Materials Research Bulletin
2 citations, 0.23%
Polymer Degradation and Stability
2 citations, 0.23%
Review of Scientific Instruments
2 citations, 0.23%
Materials Science and Engineering B: Solid-State Materials for Advanced Technology
2 citations, 0.23%
Surface Engineering
2 citations, 0.23%
Polymers
2 citations, 0.23%
Materials Today Communications
2 citations, 0.23%
Scientific Reports
2 citations, 0.23%
International Journal of Electrochemical Science
2 citations, 0.23%
Journal of Crystal Growth
2 citations, 0.23%
Critical Reviews in Solid State and Materials Sciences
2 citations, 0.23%
Technical Physics
2 citations, 0.23%
European Polymer Journal
2 citations, 0.23%
Renewable and Sustainable Energy Reviews
2 citations, 0.23%
Progress in Organic Coatings
2 citations, 0.23%
Friction
2 citations, 0.23%
Processes
2 citations, 0.23%
Journal of Advanced Research
2 citations, 0.23%
Drug Discovery Today
2 citations, 0.23%
Surface Topography: Metrology and Properties
2 citations, 0.23%
Energies
2 citations, 0.23%
Journal of Vacuum Science and Technology B
2 citations, 0.23%
Polymer Testing
2 citations, 0.23%
Journal of Composites Science
2 citations, 0.23%
Advances in Materials Science
2 citations, 0.23%
20
40
60
80
100
120

Publishers

5
10
15
20
25
30
Elsevier
27 publications, 42.86%
MDPI
9 publications, 14.29%
Wiley
3 publications, 4.76%
American Scientific Publishers
3 publications, 4.76%
Springer Nature
2 publications, 3.17%
SAGE
2 publications, 3.17%
SPIE-Intl Soc Optical Eng
2 publications, 3.17%
Inderscience Publishers
2 publications, 3.17%
Walter de Gruyter
1 publication, 1.59%
Taylor & Francis
1 publication, 1.59%
World Scientific
1 publication, 1.59%
Trans Tech Publications
1 publication, 1.59%
IOP Publishing
1 publication, 1.59%
Instituto de Tecnologia do Parana
1 publication, 1.59%
Termedia Sp. z.o.o.
1 publication, 1.59%
Polish Academy of Sciences Chancellery
1 publication, 1.59%
5
10
15
20
25
30

Organizations from articles

10
20
30
40
50
60
Lodz University of Technology
51 publications, 80.95%
Organization not defined, 11, 17.46%
Organization not defined
11 publications, 17.46%
Warsaw University of Technology
8 publications, 12.7%
Technical University of Liberec
8 publications, 12.7%
Medical University of Lodz
5 publications, 7.94%
Wrocław University of Science and Technology
4 publications, 6.35%
University of Lodz
4 publications, 6.35%
Silesian University of Technology
3 publications, 4.76%
Imperial College London
2 publications, 3.17%
Jan Kochanowski University
2 publications, 3.17%
University of Life Sciences in Poznań
2 publications, 3.17%
University of Silesia in Katowice
2 publications, 3.17%
Carnegie Mellon University
1 publication, 1.59%
Gdańsk University of Technology
1 publication, 1.59%
Technical University of Braunschweig
1 publication, 1.59%
Jagiellonian University
1 publication, 1.59%
AGH University of Krakow
1 publication, 1.59%
Polytechnique Montréal
1 publication, 1.59%
National Physical Laboratory
1 publication, 1.59%
Koszalin University of Technology
1 publication, 1.59%
University of West Bohemia
1 publication, 1.59%
10
20
30
40
50
60

Countries from articles

10
20
30
40
50
60
Poland, 53, 84.13%
Poland
53 publications, 84.13%
Country not defined, 11, 17.46%
Country not defined
11 publications, 17.46%
Czech Republic, 8, 12.7%
Czech Republic
8 publications, 12.7%
France, 3, 4.76%
France
3 publications, 4.76%
Belarus, 2, 3.17%
Belarus
2 publications, 3.17%
United Kingdom, 2, 3.17%
United Kingdom
2 publications, 3.17%
Germany, 1, 1.59%
Germany
1 publication, 1.59%
USA, 1, 1.59%
USA
1 publication, 1.59%
Brazil, 1, 1.59%
Brazil
1 publication, 1.59%
Canada, 1, 1.59%
Canada
1 publication, 1.59%
10
20
30
40
50
60

Citing organizations

20
40
60
80
100
120
140
160
Organization not defined, 160, 18.22%
Organization not defined
160 citations, 18.22%
Lodz University of Technology
108 citations, 12.3%
Warsaw University of Technology
32 citations, 3.64%
Institute of High Current Electronics of the Siberian Branch of the Russian Academy of Sciences
24 citations, 2.73%
University of Lodz
16 citations, 1.82%
Medical University of Lodz
15 citations, 1.71%
Gdańsk University of Technology
12 citations, 1.37%
Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences
12 citations, 1.37%
Technical University of Liberec
11 citations, 1.25%
University of Chinese Academy of Sciences
10 citations, 1.14%
Institute of Physics of the Czech Academy of Sciences
10 citations, 1.14%
University of Aveiro
10 citations, 1.14%
National Research Tomsk Polytechnic University
9 citations, 1.03%
Charles University
9 citations, 1.03%
Jagiellonian University
9 citations, 1.03%
Koszalin University of Technology
9 citations, 1.03%
AGH University of Krakow
8 citations, 0.91%
Wrocław University of Science and Technology
8 citations, 0.91%
Université du Québec en Outaouais
8 citations, 0.91%
University of São Paulo
8 citations, 0.91%
Ningbo Institute of Industrial Technology, Chinese Academy of Sciences
8 citations, 0.91%
Dalian University of Technology
7 citations, 0.8%
National University of Singapore
7 citations, 0.8%
Siberian State Medical University
6 citations, 0.68%
North Carolina State University
6 citations, 0.68%
City University of Hong Kong
6 citations, 0.68%
Silesian University of Technology
6 citations, 0.68%
Kaunas University of Technology
6 citations, 0.68%
Immanuel Kant Baltic Federal University
5 citations, 0.57%
China University of Mining and Technology
5 citations, 0.57%
Lomonosov Moscow State University
4 citations, 0.46%
Meshalkin National Medical Research Center
4 citations, 0.46%
Harbin Institute of Technology
4 citations, 0.46%
University of Electronic Science and Technology of China
4 citations, 0.46%
Petronas University of Technology
4 citations, 0.46%
University of Rome Tor Vergata
4 citations, 0.46%
Yonsei University
4 citations, 0.46%
Korea Institute of Science and Technology
4 citations, 0.46%
University of Hong Kong
4 citations, 0.46%
Shandong University
4 citations, 0.46%
Hasselt University
4 citations, 0.46%
Warsaw University of Life Sciences
4 citations, 0.46%
University of Reading
4 citations, 0.46%
Slovak University of Technology in Bratislava
4 citations, 0.46%
Universiti Teknologi Brunei
4 citations, 0.46%
University of Gdańsk
4 citations, 0.46%
Czech Technical University in Prague
4 citations, 0.46%
Prokhorov General Physics Institute of the Russian Academy of Sciences
3 citations, 0.34%
Islamic Azad University, Tehran
3 citations, 0.34%
University of Baghdad
3 citations, 0.34%
South China University of Technology
3 citations, 0.34%
University of Lorraine
3 citations, 0.34%
University of Helsinki
3 citations, 0.34%
National Taiwan Ocean University
3 citations, 0.34%
Swiss Federal Laboratories for Materials Science and Technology
3 citations, 0.34%
Polytechnic University of Milan
3 citations, 0.34%
University of Eastern Finland
3 citations, 0.34%
University of Turin
3 citations, 0.34%
Nanyang Technological University
3 citations, 0.34%
Soochow University (Suzhou)
3 citations, 0.34%
Interuniversity Microelectronics Centre
3 citations, 0.34%
Keio University
3 citations, 0.34%
University of Bristol
3 citations, 0.34%
Universidad Nacional Autónoma de México
3 citations, 0.34%
Federal Institute For Materials Research and Testing
3 citations, 0.34%
University of Maryland, College Park
3 citations, 0.34%
University of Porto
3 citations, 0.34%
Universidade Estadual de Campinas
3 citations, 0.34%
University of Life Sciences in Poznań
3 citations, 0.34%
Lehigh University
3 citations, 0.34%
University of Saskatchewan
3 citations, 0.34%
University of Silesia in Katowice
3 citations, 0.34%
University of West Bohemia
3 citations, 0.34%
University of South Bohemia in České Budějovice
3 citations, 0.34%
Technical University of Sofia
3 citations, 0.34%
Instituto Nacional de Pesquisas espaciais
3 citations, 0.34%
Bauman Moscow State Technical University
2 citations, 0.23%
Boreskov Institute of Catalysis of the Siberian Branch of the Russian Academy of Sciences
2 citations, 0.23%
King Fahd University of Petroleum and Minerals
2 citations, 0.23%
Institute for Color Science and Technology
2 citations, 0.23%
Indian Institute of Science
2 citations, 0.23%
Birla Institute of Technology and Science, Pilani
2 citations, 0.23%
Indian Institute of Technology Madras
2 citations, 0.23%
Indian Institute of Technology Bombay
2 citations, 0.23%
Indian Institute of Technology Delhi
2 citations, 0.23%
Indian Institute of Technology Kanpur
2 citations, 0.23%
Indian Institute of Technology (Banaras Hindu University) Varanasi
2 citations, 0.23%
Islamic Azad University Central Tehran Branch
2 citations, 0.23%
University of Kashan
2 citations, 0.23%
Al Mustaqbal University College
2 citations, 0.23%
University of Petroleum and Energy Studies
2 citations, 0.23%
Bhabha Atomic Research Centre
2 citations, 0.23%
Jilin University
2 citations, 0.23%
Xi'an Jiaotong University
2 citations, 0.23%
Aix-Marseille University
2 citations, 0.23%
Technical University of Munich
2 citations, 0.23%
National University of Malaysia
2 citations, 0.23%
University of Lisbon
2 citations, 0.23%
Uppsala University
2 citations, 0.23%
Central South University
2 citations, 0.23%
20
40
60
80
100
120
140
160

Citing countries

20
40
60
80
100
120
140
160
180
Poland, 170, 19.36%
Poland
170 citations, 19.36%
China, 115, 13.1%
China
115 citations, 13.1%
USA, 101, 11.5%
USA
101 citations, 11.5%
Country not defined, 95, 10.82%
Country not defined
95 citations, 10.82%
Germany, 44, 5.01%
Germany
44 citations, 5.01%
Russia, 38, 4.33%
Russia
38 citations, 4.33%
Czech Republic, 33, 3.76%
Czech Republic
33 citations, 3.76%
India, 30, 3.42%
India
30 citations, 3.42%
United Kingdom, 27, 3.08%
United Kingdom
27 citations, 3.08%
Italy, 23, 2.62%
Italy
23 citations, 2.62%
France, 20, 2.28%
France
20 citations, 2.28%
Japan, 19, 2.16%
Japan
19 citations, 2.16%
Canada, 17, 1.94%
Canada
17 citations, 1.94%
Australia, 16, 1.82%
Australia
16 citations, 1.82%
Republic of Korea, 15, 1.71%
Republic of Korea
15 citations, 1.71%
Iran, 14, 1.59%
Iran
14 citations, 1.59%
Portugal, 13, 1.48%
Portugal
13 citations, 1.48%
Brazil, 12, 1.37%
Brazil
12 citations, 1.37%
Singapore, 10, 1.14%
Singapore
10 citations, 1.14%
Austria, 9, 1.03%
Austria
9 citations, 1.03%
Malaysia, 9, 1.03%
Malaysia
9 citations, 1.03%
Slovakia, 9, 1.03%
Slovakia
9 citations, 1.03%
Iraq, 8, 0.91%
Iraq
8 citations, 0.91%
Bulgaria, 7, 0.8%
Bulgaria
7 citations, 0.8%
Lithuania, 7, 0.8%
Lithuania
7 citations, 0.8%
Belgium, 6, 0.68%
Belgium
6 citations, 0.68%
Ireland, 6, 0.68%
Ireland
6 citations, 0.68%
Turkey, 5, 0.57%
Turkey
5 citations, 0.57%
Finland, 5, 0.57%
Finland
5 citations, 0.57%
Belarus, 4, 0.46%
Belarus
4 citations, 0.46%
Brunei, 4, 0.46%
Brunei
4 citations, 0.46%
Indonesia, 4, 0.46%
Indonesia
4 citations, 0.46%
Spain, 4, 0.46%
Spain
4 citations, 0.46%
Mexico, 4, 0.46%
Mexico
4 citations, 0.46%
Netherlands, 4, 0.46%
Netherlands
4 citations, 0.46%
Switzerland, 4, 0.46%
Switzerland
4 citations, 0.46%
South Africa, 4, 0.46%
South Africa
4 citations, 0.46%
Ukraine, 3, 0.34%
Ukraine
3 citations, 0.34%
Argentina, 3, 0.34%
Argentina
3 citations, 0.34%
Greece, 3, 0.34%
Greece
3 citations, 0.34%
New Zealand, 3, 0.34%
New Zealand
3 citations, 0.34%
Saudi Arabia, 3, 0.34%
Saudi Arabia
3 citations, 0.34%
Thailand, 3, 0.34%
Thailand
3 citations, 0.34%
Latvia, 2, 0.23%
Latvia
2 citations, 0.23%
UAE, 2, 0.23%
UAE
2 citations, 0.23%
Serbia, 2, 0.23%
Serbia
2 citations, 0.23%
Chile, 2, 0.23%
Chile
2 citations, 0.23%
Sweden, 2, 0.23%
Sweden
2 citations, 0.23%
Kazakhstan, 1, 0.11%
Kazakhstan
1 citation, 0.11%
Algeria, 1, 0.11%
Algeria
1 citation, 0.11%
Bangladesh, 1, 0.11%
Bangladesh
1 citation, 0.11%
Hungary, 1, 0.11%
Hungary
1 citation, 0.11%
Denmark, 1, 0.11%
Denmark
1 citation, 0.11%
Egypt, 1, 0.11%
Egypt
1 citation, 0.11%
Jordan, 1, 0.11%
Jordan
1 citation, 0.11%
Luxembourg, 1, 0.11%
Luxembourg
1 citation, 0.11%
Norway, 1, 0.11%
Norway
1 citation, 0.11%
Pakistan, 1, 0.11%
Pakistan
1 citation, 0.11%
Romania, 1, 0.11%
Romania
1 citation, 0.11%
Slovenia, 1, 0.11%
Slovenia
1 citation, 0.11%
Philippines, 1, 0.11%
Philippines
1 citation, 0.11%
Sri Lanka, 1, 0.11%
Sri Lanka
1 citation, 0.11%
Ecuador, 1, 0.11%
Ecuador
1 citation, 0.11%
20
40
60
80
100
120
140
160
180
  • We do not take into account publications without a DOI.
  • Statistics recalculated daily.