SpringerLink (Online service) 25,564 SpringerLink (Online Service) 17,166 ScienceDirect (Online service) 16,551 Geological Survey (U.S.) 3,142 EBSCOhost 1,114 Oxford Scholarship Online 803 Geological Survey (U.S.), 480 International Conference on Human-Computer Interaction 355 National Institute of Standards and Technology (U.S.) 260 Ebooks Corporation 240 ProQuest (Firm) 225 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 International Conference on Intelligent Computing 57 Rocky Mountain Research Station (Fort Collins, Colo.) 57 Wolf, Emil 56 Castillo, Oscar, 1959- 55 United States. National Bureau of Standards 55 Hameurlain, Abdelkader, 51 Maramorosch, Karl 51 Antona, Margherita, 50 Pedrycz, Witold, 1953- 50 Balas, Valentina Emilia, 49 Cohn, Waldo E. 49 International Conference on Artificial Neural Networks (European Neural Network Society) 49 United States. Bureau of Mines 49 United States. National Oceanic and Atmospheric Administration 49 Satapathy, Suresh Chandra, 1964- 48 Alt, Frederick W. 47 European Symposium on Research in Computer Security 46 Rocha, Ana Maria A. C. 46 DASFAA (Conference : Database systems) 45 Litwack, Gerald 45 United States. Forest Service. Rocky Mountain Region 45 Favreau, Jean-Philippe 44 International Conference on Human-Computer Interaction Online) 44 National Institute of Standards and Technology (U.S.). Electronic Commerce Acquisition Program Management Office 44 Utah Geological Survey 43 American Association of Petroleum Geologists 42 CRYPTO (Conference) 42 Bederson, Benjamin 41 Horton, Derek, 1932- 41 Kurosu, Masaaki, 1948- 41 Stone, F. Gordon A. 1925- 41 DUXU (Conference) 40 International Conference on the Theory and Application of Cryptology and Information Security 40 Mandal, Jyotsna Kumar, 1960- 40 McGraw-Hill (Online Service) 40 United States. Bureau of Reclamation 40 Packer, Lester 39 Tan, Ying, 1964- 39 United States. Environmental Protection Agency 39 United States. Forest Service 39 Environmental Research Laboratories (U.S.) 38 Gervasi, Osvaldo, 38 Illinois State Geological Survey 38 International EURO-PAR Conference 38 Murgante, Beniamino 38 Tipson, R. Stuart 38 Apduhan, Bernady O., 37 Arai, Kohei, 37 Bates, David R. 1916-1994 37 Colorado. Division of Wildlife 37