Author
ScienceDirect (Online service)
1,595
SpringerLink (Online service)
1,098
Geological Survey (U.S.)
226
Geological Survey (U.S.),
176
Infobase,
115
SpringerLink (Online Service)
112
Films for the Humanities & Sciences (Firm)
97
Infobase
97
Katritzky, Alan R.
62
Makowski, Gregory S.
53
Author, Unknown
39
United States. Bureau of Mines
39
Unknown,
39
Ellis, G. P.
35
Inamuddin, 1980-
33
American Chemical Society. Division of Medicinal Chemistry
28
ScienceDirect (Online Service)
28
American Chemical Society
26
Gold, Victor
23
MVD (Firm)
22
Rahman, Atta-ur-, 1942-
22
Ramsden, Christopher A., 1946-
21
Scriven, Eric F. V.,
21
West, Robert, 1928-
21
Florey, Klaus
20
Löwdin, Per-Olov, 1916-2000
20
Stone, F. Gordon A. 1925-
20
West, G. B. 1916-1990
20
Bethell, D.
19
Brändas, Erkki
19
EBSCOhost
19
International Union of Pure and Applied Chemistry
19
Emeléus, H. J.
18
Sabin, John R.
18
United States. Environmental Protection Agency
18
Falk, Heinz, 1939-
17
Sharpe, A. G.
17
Cerebellum Corporation
16
Joule, J. A.
16
Asiri, Abdullah M.,
15
Gribble, Gordon W.
15
Academy of Pharmaceutical Sciences. Pharmaceutical Analysis and Control Section
14
Arizona. Department of Water Resources
14
Gibbons, Simon (Professor of medicinal phytochemistry)
14
Lichtfouse, Eric,
14
Oxford Scholarship Online
14
U.S. Atomic Energy Commission
14
Video Education Australasia
14
Annenberg Learner (Firm)
13
National Institute of Standards and Technology (U.S.)
13
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