Institute of Solid State Physics of the Bulgarian Academy of Sciences (Georgi Nadjakov Institute of Solid State Physics)

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Institute of Solid State Physics of the Bulgarian Academy of Sciences (Georgi Nadjakov Institute of Solid State Physics)

Short name

ISSP BAS

Country, city

Bulgaria, Sofia

05t4n0c27

Organization website

Publications

3 286

Citations

39 498

h-index

Top-3 journals

Journal of Physics: Conference Series (309 publications)

Proceedings of SPIE - The International Society for Optical Engineering (191 publications)

Vacuum (94 publications)

Top-3 organizations

Sofia University "St. Kliment Ohridski" (350 publications)

Academian Emil Djakov Institute of Electronics, Bulgarian Academy of Sciences (177 publications)

Central Laboratory of Solar Energy and New Energy Sources of the Bulgarian Academy of Sciences (114 publications)

Top-3 foreign organizations

Vrije Universiteit Brussel (85 publications)

Joint Institute for Nuclear Research (62 publications)

Hamburg University (41 publications)

Most cited in 5 years

Found

Publication title

Publisher

Journal

Countries

Found

Since 1973

Total publications

3286

Total citations

39498

Citations per publication

12.02

Average publications per year

Average authors per publication

4.42

h-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

Top-30

Fields of science

	200 400 600 800 1000 1200
Condensed Matter Physics	Condensed Matter Physics, 1145, 34.84% Condensed Matter Physics 1145 publications, 34.84%
Electronic, Optical and Magnetic Materials	Electronic, Optical and Magnetic Materials, 776, 23.62% Electronic, Optical and Magnetic Materials 776 publications, 23.62%
General Physics and Astronomy	General Physics and Astronomy, 624, 18.99% General Physics and Astronomy 624 publications, 18.99%
Atomic and Molecular Physics, and Optics	Atomic and Molecular Physics, and Optics, 480, 14.61% Atomic and Molecular Physics, and Optics 480 publications, 14.61%
Electrical and Electronic Engineering	Electrical and Electronic Engineering, 430, 13.09% Electrical and Electronic Engineering 430 publications, 13.09%
Surfaces, Coatings and Films	Surfaces, Coatings and Films, 379, 11.53% Surfaces, Coatings and Films 379 publications, 11.53%
General Materials Science	General Materials Science, 379, 11.53% General Materials Science 379 publications, 11.53%
Materials Chemistry	Materials Chemistry, 371, 11.29% Materials Chemistry 371 publications, 11.29%
General Chemistry	General Chemistry, 289, 8.79% General Chemistry 289 publications, 8.79%
Instrumentation	Instrumentation, 215, 6.54% Instrumentation 215 publications, 6.54%
Surfaces and Interfaces	Surfaces and Interfaces, 184, 5.6% Surfaces and Interfaces 184 publications, 5.6%
Metals and Alloys	Metals and Alloys, 177, 5.39% Metals and Alloys 177 publications, 5.39%
Physical and Theoretical Chemistry	Physical and Theoretical Chemistry, 162, 4.93% Physical and Theoretical Chemistry 162 publications, 4.93%
Mechanical Engineering	Mechanical Engineering, 138, 4.2% Mechanical Engineering 138 publications, 4.2%
Spectroscopy	Spectroscopy, 126, 3.83% Spectroscopy 126 publications, 3.83%
General Engineering	General Engineering, 116, 3.53% General Engineering 116 publications, 3.53%
Mechanics of Materials	Mechanics of Materials, 109, 3.32% Mechanics of Materials 109 publications, 3.32%
Ceramics and Composites	Ceramics and Composites, 84, 2.56% Ceramics and Composites 84 publications, 2.56%
Analytical Chemistry	Analytical Chemistry, 84, 2.56% Analytical Chemistry 84 publications, 2.56%
General Medicine	General Medicine, 82, 2.5% General Medicine 82 publications, 2.5%
Physics and Astronomy (miscellaneous)	Physics and Astronomy (miscellaneous), 82, 2.5% Physics and Astronomy (miscellaneous) 82 publications, 2.5%
Inorganic Chemistry	Inorganic Chemistry, 75, 2.28% Inorganic Chemistry 75 publications, 2.28%
Organic Chemistry	Organic Chemistry, 60, 1.83% Organic Chemistry 60 publications, 1.83%
Statistical and Nonlinear Physics	Statistical and Nonlinear Physics, 47, 1.43% Statistical and Nonlinear Physics 47 publications, 1.43%
General Chemical Engineering	General Chemical Engineering, 45, 1.37% General Chemical Engineering 45 publications, 1.37%
Mathematical Physics	Mathematical Physics, 40, 1.22% Mathematical Physics 40 publications, 1.22%
Biochemistry	Biochemistry, 37, 1.13% Biochemistry 37 publications, 1.13%
Nuclear and High Energy Physics	Nuclear and High Energy Physics, 37, 1.13% Nuclear and High Energy Physics 37 publications, 1.13%
Biophysics	Biophysics, 36, 1.1% Biophysics 36 publications, 1.1%
Industrial and Manufacturing Engineering	Industrial and Manufacturing Engineering, 28, 0.85% Industrial and Manufacturing Engineering 28 publications, 0.85%
	200 400 600 800 1000 1200

Journals

	50 100 150 200 250 300 350
Journal of Physics: Conference Series	Journal of Physics: Conference Series, 309, 9.4% Journal of Physics: Conference Series 309 publications, 9.4%
Proceedings of SPIE - The International Society for Optical Engineering	Proceedings of SPIE - The International Society for Optical Engineering, 191, 5.81% Proceedings of SPIE - The International Society for Optical Engineering 191 publications, 5.81%
Vacuum	Vacuum, 94, 2.86% Vacuum 94 publications, 2.86%
Physical Review B	Physical Review B, 92, 2.8% Physical Review B 92 publications, 2.8%
Physical Review A	Physical Review A, 81, 2.47% Physical Review A 81 publications, 2.47%
Thin Solid Films	Thin Solid Films, 78, 2.37% Thin Solid Films 78 publications, 2.37%
phys stat sol (a)	phys stat sol (a), 65, 1.98% phys stat sol (a) 65 publications, 1.98%
Optics Communications	Optics Communications, 64, 1.95% Optics Communications 64 publications, 1.95%
Physica Status Solidi (B): Basic Research	Physica Status Solidi (B): Basic Research, 62, 1.89% Physica Status Solidi (B): Basic Research 62 publications, 1.89%
Physics Letters, Section A: General, Atomic and Solid State Physics	Physics Letters, Section A: General, Atomic and Solid State Physics, 58, 1.77% Physics Letters, Section A: General, Atomic and Solid State Physics 58 publications, 1.77%
Journal of Non-Crystalline Solids	Journal of Non-Crystalline Solids, 58, 1.77% Journal of Non-Crystalline Solids 58 publications, 1.77%
Crystal Research and Technology	Crystal Research and Technology, 54, 1.64% Crystal Research and Technology 54 publications, 1.64%
Journal of Applied Physics	Journal of Applied Physics, 51, 1.55% Journal of Applied Physics 51 publications, 1.55%
Applied Surface Science	Applied Surface Science, 44, 1.34% Applied Surface Science 44 publications, 1.34%
Physical Review E	Physical Review E, 39, 1.19% Physical Review E 39 publications, 1.19%
Applied Physics A: Materials Science and Processing	Applied Physics A: Materials Science and Processing, 38, 1.16% Applied Physics A: Materials Science and Processing 38 publications, 1.16%
Journal of Materials Science: Materials in Electronics	Journal of Materials Science: Materials in Electronics, 38, 1.16% Journal of Materials Science: Materials in Electronics 38 publications, 1.16%
Optical and Quantum Electronics	Optical and Quantum Electronics, 35, 1.07% Optical and Quantum Electronics 35 publications, 1.07%
Molecular Crystals and Liquid Crystals	Molecular Crystals and Liquid Crystals, 30, 0.91% Molecular Crystals and Liquid Crystals 30 publications, 0.91%
Journal of Physics Condensed Matter	Journal of Physics Condensed Matter, 29, 0.88% Journal of Physics Condensed Matter 29 publications, 0.88%
Spectroscopy Letters	Spectroscopy Letters, 28, 0.85% Spectroscopy Letters 28 publications, 0.85%
Journal of Molecular Structure	Journal of Molecular Structure, 28, 0.85% Journal of Molecular Structure 28 publications, 0.85%
Physica A: Statistical Mechanics and its Applications	Physica A: Statistical Mechanics and its Applications, 26, 0.79% Physica A: Statistical Mechanics and its Applications 26 publications, 0.79%
IEEE Journal of Quantum Electronics	IEEE Journal of Quantum Electronics, 25, 0.76% IEEE Journal of Quantum Electronics 25 publications, 0.76%
Materials Science and Engineering B: Solid-State Materials for Advanced Technology	Materials Science and Engineering B: Solid-State Materials for Advanced Technology, 25, 0.76% Materials Science and Engineering B: Solid-State Materials for Advanced Technology 25 publications, 0.76%
Microelectronics Reliability	Microelectronics Reliability, 23, 0.7% Microelectronics Reliability 23 publications, 0.7%
Applied Physics Letters	Applied Physics Letters, 23, 0.7% Applied Physics Letters 23 publications, 0.7%
Physica C: Superconductivity and its Applications	Physica C: Superconductivity and its Applications, 23, 0.7% Physica C: Superconductivity and its Applications 23 publications, 0.7%
Nuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms	Nuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms, 22, 0.67% Nuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms 22 publications, 0.67%
Solid-State Electronics	Solid-State Electronics, 22, 0.67% Solid-State Electronics 22 publications, 0.67%
	50 100 150 200 250 300 350

Publishers

	200 400 600 800 1000 1200
Elsevier	Elsevier, 1078, 32.81% Elsevier 1078 publications, 32.81%
IOP Publishing	IOP Publishing, 471, 14.33% IOP Publishing 471 publications, 14.33%
Springer Nature	Springer Nature, 362, 11.02% Springer Nature 362 publications, 11.02%
Wiley	Wiley, 242, 7.36% Wiley 242 publications, 7.36%
American Physical Society (APS)	American Physical Society (APS), 237, 7.21% American Physical Society (APS) 237 publications, 7.21%
SPIE-Intl Soc Optical Eng	SPIE-Intl Soc Optical Eng, 191, 5.81% SPIE-Intl Soc Optical Eng 191 publications, 5.81%
Taylor & Francis	Taylor & Francis, 145, 4.41% Taylor & Francis 145 publications, 4.41%
MDPI	MDPI, 121, 3.68% MDPI 121 publications, 3.68%
AIP Publishing	AIP Publishing, 112, 3.41% AIP Publishing 112 publications, 3.41%
Institute of Electrical and Electronics Engineers (IEEE)	Institute of Electrical and Electronics Engineers (IEEE), 55, 1.67% Institute of Electrical and Electronics Engineers (IEEE) 55 publications, 1.67%
Optica Publishing Group	Optica Publishing Group, 50, 1.52% Optica Publishing Group 50 publications, 1.52%
American Chemical Society (ACS)	American Chemical Society (ACS), 36, 1.1% American Chemical Society (ACS) 36 publications, 1.1%
EDP Sciences	EDP Sciences, 36, 1.1% EDP Sciences 36 publications, 1.1%
Pleiades Publishing	Pleiades Publishing, 32, 0.97% Pleiades Publishing 32 publications, 0.97%
World Scientific	World Scientific, 26, 0.79% World Scientific 26 publications, 0.79%
Walter de Gruyter	Walter de Gruyter, 14, 0.43% Walter de Gruyter 14 publications, 0.43%
Oxford University Press	Oxford University Press, 9, 0.27% Oxford University Press 9 publications, 0.27%
Hindawi Limited	Hindawi Limited, 7, 0.21% Hindawi Limited 7 publications, 0.21%
Institution of Engineering and Technology (IET)	Institution of Engineering and Technology (IET), 6, 0.18% Institution of Engineering and Technology (IET) 6 publications, 0.18%
The Royal Society	The Royal Society, 6, 0.18% The Royal Society 6 publications, 0.18%
Japan Society of Applied Physics	Japan Society of Applied Physics, 6, 0.18% Japan Society of Applied Physics 6 publications, 0.18%
American Vacuum Society	American Vacuum Society, 6, 0.18% American Vacuum Society 6 publications, 0.18%
Institute of Physics, Polish Academy of Sciences	Institute of Physics, Polish Academy of Sciences, 5, 0.15% Institute of Physics, Polish Academy of Sciences 5 publications, 0.15%
Royal Society of Chemistry (RSC)	Royal Society of Chemistry (RSC), 4, 0.12% Royal Society of Chemistry (RSC) 4 publications, 0.12%
Frontiers Media S.A.	Frontiers Media S.A., 3, 0.09% Frontiers Media S.A. 3 publications, 0.09%
National Library of Serbia	National Library of Serbia, 3, 0.09% National Library of Serbia 3 publications, 0.09%
Cambridge University Press	Cambridge University Press, 2, 0.06% Cambridge University Press 2 publications, 0.06%
American Society for Microbiology	American Society for Microbiology, 2, 0.06% American Society for Microbiology 2 publications, 0.06%
American Association for the Advancement of Science (AAAS)	American Association for the Advancement of Science (AAAS), 2, 0.06% American Association for the Advancement of Science (AAAS) 2 publications, 0.06%
American Scientific Publishers	American Scientific Publishers, 2, 0.06% American Scientific Publishers 2 publications, 0.06%
	200 400 600 800 1000 1200

With other organizations

	50 100 150 200 250 300 350
Sofia University "St. Kliment Ohridski"	Sofia University "St. Kliment Ohridski", 350, 10.65% Sofia University "St. Kliment Ohridski" 350 publications, 10.65%
Academian Emil Djakov Institute of Electronics, Bulgarian Academy of Sciences	Academian Emil Djakov Institute of Electronics, Bulgarian Academy of Sciences, 177, 5.39% Academian Emil Djakov Institute of Electronics, Bulgarian Academy of Sciences 177 publications, 5.39%
Central Laboratory of Solar Energy and New Energy Sources of the Bulgarian Academy of Sciences	Central Laboratory of Solar Energy and New Energy Sources of the Bulgarian Academy of Sciences, 114, 3.47% Central Laboratory of Solar Energy and New Energy Sources of the Bulgarian Academy of Sciences 114 publications, 3.47%
Institute of General and Inorganic Chemistry, Bulgarian Academy of Sciences	Institute of General and Inorganic Chemistry, Bulgarian Academy of Sciences, 102, 3.1% Institute of General and Inorganic Chemistry, Bulgarian Academy of Sciences 102 publications, 3.1%
Institute for Nuclear Research and Nuclear Energy, Bulgarian Academy of Sciences	Institute for Nuclear Research and Nuclear Energy, Bulgarian Academy of Sciences, 88, 2.68% Institute for Nuclear Research and Nuclear Energy, Bulgarian Academy of Sciences 88 publications, 2.68%
Vrije Universiteit Brussel	Vrije Universiteit Brussel, 85, 2.59% Vrije Universiteit Brussel 85 publications, 2.59%
Institute of Optical Materials and Technologies Jordan Malinowski, Bulgarian Academy of Sciences	Institute of Optical Materials and Technologies Jordan Malinowski, Bulgarian Academy of Sciences, 81, 2.47% Institute of Optical Materials and Technologies Jordan Malinowski, Bulgarian Academy of Sciences 81 publications, 2.47%
Joint Institute for Nuclear Research	Joint Institute for Nuclear Research, 62, 1.89% Joint Institute for Nuclear Research 62 publications, 1.89%
University of Chemical Technology and Metallurgy	University of Chemical Technology and Metallurgy, 61, 1.86% University of Chemical Technology and Metallurgy 61 publications, 1.86%
Technical University of Sofia	Technical University of Sofia, 48, 1.46% Technical University of Sofia 48 publications, 1.46%
Hamburg University	Hamburg University, 41, 1.25% Hamburg University 41 publications, 1.25%
Institute of Physical Chemistry "Rostislaw Kaischew", Bulgarian Academy of Sciences	Institute of Physical Chemistry "Rostislaw Kaischew", Bulgarian Academy of Sciences, 40, 1.22% Institute of Physical Chemistry "Rostislaw Kaischew", Bulgarian Academy of Sciences 40 publications, 1.22%
Sapienza University of Rome	Sapienza University of Rome, 36, 1.1% Sapienza University of Rome 36 publications, 1.1%
Universite Libre de Bruxelles	Universite Libre de Bruxelles, 35, 1.07% Universite Libre de Bruxelles 35 publications, 1.07%
Plovdiv University "Paisii Hilendarski"	Plovdiv University "Paisii Hilendarski", 33, 1% Plovdiv University "Paisii Hilendarski" 33 publications, 1%
Boston University	Boston University, 32, 0.97% Boston University 32 publications, 0.97%
University of Salerno	University of Salerno, 29, 0.88% University of Salerno 29 publications, 0.88%
University of Houston	University of Houston, 29, 0.88% University of Houston 29 publications, 0.88%
Prokhorov General Physics Institute of the Russian Academy of Sciences	Prokhorov General Physics Institute of the Russian Academy of Sciences, 28, 0.85% Prokhorov General Physics Institute of the Russian Academy of Sciences 28 publications, 0.85%
National Technical University of Athens	National Technical University of Athens, 28, 0.85% National Technical University of Athens 28 publications, 0.85%
Lodz University of Technology	Lodz University of Technology, 28, 0.85% Lodz University of Technology 28 publications, 0.85%
CentraleSupélec	CentraleSupélec, 28, 0.85% CentraleSupélec 28 publications, 0.85%
Włodzimierz Trzebiatowski Institute of Low Temperature and Structure Research, Polish Academy of Sciences	Włodzimierz Trzebiatowski Institute of Low Temperature and Structure Research, Polish Academy of Sciences, 28, 0.85% Włodzimierz Trzebiatowski Institute of Low Temperature and Structure Research, Polish Academy of Sciences 28 publications, 0.85%
National Yang Ming Chiao Tung University	National Yang Ming Chiao Tung University, 27, 0.82% National Yang Ming Chiao Tung University 27 publications, 0.82%
Institute of Mechanics of the Bulgarian Academy of Sciences	Institute of Mechanics of the Bulgarian Academy of Sciences, 27, 0.82% Institute of Mechanics of the Bulgarian Academy of Sciences 27 publications, 0.82%
Harvard University	Harvard University, 26, 0.79% Harvard University 26 publications, 0.79%
Institute of Radiation Problems of the Ministry of Science and Education of the Republic of Azerbaijan	Institute of Radiation Problems of the Ministry of Science and Education of the Republic of Azerbaijan, 25, 0.76% Institute of Radiation Problems of the Ministry of Science and Education of the Republic of Azerbaijan 25 publications, 0.76%
Brigham and Women's Hospital	Brigham and Women's Hospital, 23, 0.7% Brigham and Women's Hospital 23 publications, 0.7%
University of Ljubljana	University of Ljubljana, 23, 0.7% University of Ljubljana 23 publications, 0.7%
Institute of Biophysics and Biomedical Engineering of the Bulgarian Academy of Sciences	Institute of Biophysics and Biomedical Engineering of the Bulgarian Academy of Sciences, 21, 0.64% Institute of Biophysics and Biomedical Engineering of the Bulgarian Academy of Sciences 21 publications, 0.64%
	50 100 150 200 250 300 350

With foreign organizations

	10 20 30 40 50 60 70 80 90
Vrije Universiteit Brussel	Vrije Universiteit Brussel, 85, 2.59% Vrije Universiteit Brussel 85 publications, 2.59%
Joint Institute for Nuclear Research	Joint Institute for Nuclear Research, 62, 1.89% Joint Institute for Nuclear Research 62 publications, 1.89%
Hamburg University	Hamburg University, 41, 1.25% Hamburg University 41 publications, 1.25%
Sapienza University of Rome	Sapienza University of Rome, 36, 1.1% Sapienza University of Rome 36 publications, 1.1%
Universite Libre de Bruxelles	Universite Libre de Bruxelles, 35, 1.07% Universite Libre de Bruxelles 35 publications, 1.07%
Boston University	Boston University, 32, 0.97% Boston University 32 publications, 0.97%
University of Salerno	University of Salerno, 29, 0.88% University of Salerno 29 publications, 0.88%
University of Houston	University of Houston, 29, 0.88% University of Houston 29 publications, 0.88%
Prokhorov General Physics Institute of the Russian Academy of Sciences	Prokhorov General Physics Institute of the Russian Academy of Sciences, 28, 0.85% Prokhorov General Physics Institute of the Russian Academy of Sciences 28 publications, 0.85%
National Technical University of Athens	National Technical University of Athens, 28, 0.85% National Technical University of Athens 28 publications, 0.85%
Lodz University of Technology	Lodz University of Technology, 28, 0.85% Lodz University of Technology 28 publications, 0.85%
CentraleSupélec	CentraleSupélec, 28, 0.85% CentraleSupélec 28 publications, 0.85%
Włodzimierz Trzebiatowski Institute of Low Temperature and Structure Research, Polish Academy of Sciences	Włodzimierz Trzebiatowski Institute of Low Temperature and Structure Research, Polish Academy of Sciences, 28, 0.85% Włodzimierz Trzebiatowski Institute of Low Temperature and Structure Research, Polish Academy of Sciences 28 publications, 0.85%
National Yang Ming Chiao Tung University	National Yang Ming Chiao Tung University, 27, 0.82% National Yang Ming Chiao Tung University 27 publications, 0.82%
Harvard University	Harvard University, 26, 0.79% Harvard University 26 publications, 0.79%
Institute of Radiation Problems of the Ministry of Science and Education of the Republic of Azerbaijan	Institute of Radiation Problems of the Ministry of Science and Education of the Republic of Azerbaijan, 25, 0.76% Institute of Radiation Problems of the Ministry of Science and Education of the Republic of Azerbaijan 25 publications, 0.76%
Brigham and Women's Hospital	Brigham and Women's Hospital, 23, 0.7% Brigham and Women's Hospital 23 publications, 0.7%
University of Ljubljana	University of Ljubljana, 23, 0.7% University of Ljubljana 23 publications, 0.7%
University of Calabria	University of Calabria, 20, 0.61% University of Calabria 20 publications, 0.61%
Université de Sherbrooke	Université de Sherbrooke, 19, 0.58% Université de Sherbrooke 19 publications, 0.58%
Ioffe Physical-Technical Institute of the Russian Academy of Sciences	Ioffe Physical-Technical Institute of the Russian Academy of Sciences, 18, 0.55% Ioffe Physical-Technical Institute of the Russian Academy of Sciences 18 publications, 0.55%
Autonomous University of Barcelona	Autonomous University of Barcelona, 18, 0.55% Autonomous University of Barcelona 18 publications, 0.55%
Brock University	Brock University, 18, 0.55% Brock University 18 publications, 0.55%
Catalan Institution for Research and Advanced Studies	Catalan Institution for Research and Advanced Studies, 18, 0.55% Catalan Institution for Research and Advanced Studies 18 publications, 0.55%
Université Paris-Saclay	Université Paris-Saclay, 18, 0.55% Université Paris-Saclay 18 publications, 0.55%
Institute of Physics of the Polish Academy of Sciences	Institute of Physics of the Polish Academy of Sciences, 18, 0.55% Institute of Physics of the Polish Academy of Sciences 18 publications, 0.55%
University of Liège	University of Liège, 17, 0.52% University of Liège 17 publications, 0.52%
Max Planck Institute for the Physics of Complex Systems	Max Planck Institute for the Physics of Complex Systems, 17, 0.52% Max Planck Institute for the Physics of Complex Systems 17 publications, 0.52%
University of Mons	University of Mons, 16, 0.49% University of Mons 16 publications, 0.49%
Otto-von-Guericke University Magdeburg	Otto-von-Guericke University Magdeburg, 16, 0.49% Otto-von-Guericke University Magdeburg 16 publications, 0.49%
	10 20 30 40 50 60 70 80 90

With other countries

	50 100 150 200 250 300 350
Germany	Germany, 323, 9.83% Germany 323 publications, 9.83%
Russia	Russia, 216, 6.57% Russia 216 publications, 6.57%
Belgium	Belgium, 185, 5.63% Belgium 185 publications, 5.63%
France	France, 183, 5.57% France 183 publications, 5.57%
Poland	Poland, 176, 5.36% Poland 176 publications, 5.36%
USA	USA, 165, 5.02% USA 165 publications, 5.02%
Italy	Italy, 161, 4.9% Italy 161 publications, 4.9%
Spain	Spain, 99, 3.01% Spain 99 publications, 3.01%
United Kingdom	United Kingdom, 89, 2.71% United Kingdom 89 publications, 2.71%
Romania	Romania, 81, 2.47% Romania 81 publications, 2.47%
Greece	Greece, 68, 2.07% Greece 68 publications, 2.07%
China	China, 63, 1.92% China 63 publications, 1.92%
Canada	Canada, 57, 1.73% Canada 57 publications, 1.73%
Hungary	Hungary, 55, 1.67% Hungary 55 publications, 1.67%
Ukraine	Ukraine, 47, 1.43% Ukraine 47 publications, 1.43%
North Macedonia	North Macedonia, 39, 1.19% North Macedonia 39 publications, 1.19%
Czech Republic	Czech Republic, 34, 1.03% Czech Republic 34 publications, 1.03%
USSR	USSR, 34, 1.03% USSR 34 publications, 1.03%
India	India, 33, 1% India 33 publications, 1%
Serbia	Serbia, 31, 0.94% Serbia 31 publications, 0.94%
Sweden	Sweden, 31, 0.94% Sweden 31 publications, 0.94%
Israel	Israel, 27, 0.82% Israel 27 publications, 0.82%
Slovenia	Slovenia, 25, 0.76% Slovenia 25 publications, 0.76%
Japan	Japan, 24, 0.73% Japan 24 publications, 0.73%
Azerbaijan	Azerbaijan, 20, 0.61% Azerbaijan 20 publications, 0.61%
Slovakia	Slovakia, 19, 0.58% Slovakia 19 publications, 0.58%
Turkey	Turkey, 19, 0.58% Turkey 19 publications, 0.58%
Austria	Austria, 17, 0.52% Austria 17 publications, 0.52%
Mexico	Mexico, 16, 0.49% Mexico 16 publications, 0.49%
	50 100 150 200 250 300 350

We do not take into account publications without a DOI.
Statistics recalculated daily.
Publications published earlier than 1973 are ignored in the statistics.
The horizontal charts show the 30 top positions.
Journals quartiles values are relevant at the moment.