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- American Geophysical Union2
- Flynn, John J. (John Joseph), 1955-2
- International Geological Congress (28th : 1989 : Washington, D.C.)2
- American Association of Petroleum Geologists1
- Babcock, Clarence1
- Graham, S. A. (Stephan Alan), 1950-1
- Miami Geological Society1
- Mississippi Geological Society1
- Pacific Coast Paleogeography Symposium (4th : 1980 : Bakersfield, Calif.)1
- Peltz, Sergiu1
- Perkins, Ronald D.1
- Rădulescu, Dan1
- Romania1
- Society of Economic Paleontologists and Mineralogists1
- Society of Economic Paleontologists and Mineralogists. Gulf Coast Section1
- Society of Economic Paleontologists and Mineralogists. Pacific Section1
- Society of Exploration Geophysicists1
- Stanciu, Constantina1
- Symposium: Volcanism and Metallogenesis (1973 : Bucharest)1