Author
ScienceDirect (Online service)
248
Wiley InterScience (Online service)
120
Institute of Physics (Great Britain)
50
LINK (Online service)
50
JSTOR (Organization)
41
Taylor & Francis Online
37
Elsevier Science (Firm)
35
IEEE Computer Society
34
Institute of Electrical and Electronics Engineers
34
EBSCO Publishing (Firm)
32
Association for Computing Machinery
30
American Institute of Physics
29
Hindawi Publishing Corporation
28
BioMed Central Ltd
26
Royal Society of Chemistry (Great Britain)
26
Chemical Society (Great Britain)
22
Consultants Bureau
21
Indian Academy of Sciences
21
SPARC (Organization)
20
American Chemical Society
19
Sage Journals Online
16
Society for Industrial and Applied Mathematics
16
American Geophysical Union
15
Institute of Physics and the Physical Society
15
Rossiĭskai︠a︡ akademii︠a︡ nauk
15
Rossiĭskai͡a akademii͡a nauk
14
Royal Society (Great Britain)
14
Molecular Diversity Preservation International
13
Ecological Society of America
12
IEEE Xplore (Online service)
12
Australian Mathematical Society
11
National Council of Teachers of Mathematics
11
Taylor & Francis
11
Zhongguo ke xue yuan
11
American Mathematical Society
10
American Periodicals Series
10
BioOne (Organization)
10
JSTOR Sustainability Collection
10
Portico (Organization)
10
European Geosciences Union
9
International Scholarly Research Network
9
Akademii︠a︡ nauk SSSR
8
American Meteorological Society
8
Consultants Bureau Enterprises
8
Federation of European Microbiological Societies
8
Gesellschaft Deutscher Chemiker
8
Royal Society of Edinburgh
8
Thomson Gale (Firm)
8
ACM Digital Library
7
Cambridge University Press
7
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