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SpringerLink (Online service)
25,564
SpringerLink (Online Service)
17,166
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16,551
Geological Survey (U.S.)
3,142
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1,114
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Geological Survey (U.S.),
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355
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Ebooks Corporation
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ProQuest (Firm)
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U.S. Atomic Energy Commission
223
Colorado Natural Heritage Program
221
ScienceDirect (Online Service)
207
U.S. Fish and Wildlife Service
202
Jeon, Kwang W.
170
Bourne, Geoffrey H. 1909-1988
125
Smithsonian Institution. Press
119
ETAPS (Conference)
109
United States. National Bureau of Standards,
107
Danielli, J. F. 1911-1984
103
Katritzky, Alan R.
102
Nguyen, Ngoc Thanh (Computer scientist)
96
United States. National Aeronautics and Space Administration
93
Abraham, Ajith, 1968-
90
Colorado Geological Survey
89
ECML PKDD (Conference)
82
National Science Foundation (U.S.)
82
United States. Bureau of Land Management
80
Geological Society of America
79
Pardalos, P. M. 1954-
79
United States. National Park Service
79
ICCSA (Conference)
77
Dixon, Frank J. 1920-2008
73
Stephanidis, Constantine,
71
Webb, G. A. 1935-
69
Rahman, Atta-ur-, 1942-
68
Kacprzyk, Janusz,
66
New Mexico Geological Society. Annual Field Conference
66
C.I.M.E. Summer School
65
United States. Department of Energy
63
Unknown,
62
Author, Unknown
61
Jain, L. C.
61
Centro internazionale matematico estivo
59
Hawkes, P. W.
59
Moldave, Kivie, 1923-
59
ICONIP (Conference)
58
Jain, L. C.,
58
West, Robert, 1928-
58
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