Author
Geological Survey (U.S.)
44
Pfeffer, Karl-Heinz
20
Sweeting, Marjorie Mary
15
Beck, Barry F
12
Nicod, Jean
9
Unesco
9
Williams, Paul W (Paul Worthing)
9
Zhongguo di zhi ke xue yuan Yan rong di zhi yan jiu suo
9
International Association of Hydrogeologists
8
National Speleological Society
8
Cvijić, Jovan, 1865-1927
7
LaMoreaux, Philip E., 1920-2008
7
Lehmann, Herbert, 1901-
7
Waltham, Tony
7
Cave Research Associates
6
Cvijić, Jovan, 1865-1927
6
International Union of Speleology
6
Jennings, J. N (Joseph Newell)
6
Langer, William H
6
Veress, Márton
6
Weary, David J
6
Alexander, E. C., Jr
5
American Society of Civil Engineers Geo-Institute
5
Chikishev, A. G (Anatoliĭ Grigorʹevich)
5
Drew, David (David Philip)
5
Ford, Derek (Derek C.)
5
Gilli, Éric
5
Gunn, John
5
McDowell, Robert C., 1935-
5
P.E. LaMoreaux & Associates
5
Parise, Mario
5
British Cave Research Association
4
Burger, A
4
Dubertret, Louis, 1902-
4
EBSCOhost
4
Field, Malcolm S
4
Florida Geological Survey
4
Gabrovs̆ek, Franci, 1968-
4
Gams, Ivan
4
Geological Society of America
4
Geological Society of America Annual Meeting
4
Gilli, Éric
4
Gunn, John, 1952-
4
Hubbard, David A
4
Illinois State Geological Survey
4
International Conference on Geomorphology
4
International Geographical Union Commission on Karst Phenomena
4
Kerans, C (Charles), 1954-
4
Kolm, Kenneth E (Kenneth Edward), 1951-
4
National Cave and Karst Research Institute (U.S.)
4
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