Workshop on Processes Determining the Input, Behavior and Fate of Radionuclides and Trace Elements in Continental Shelf Environments (1979 : Gaithersburg, Md.)
Wisconsin Seminar on Natural Resource Policies in Relation to Economic Development and International Cooperation (1977-1978 : University of Wisconsin--Madison)
Wisconsin Seminar on Natural Resource Policies in Relation to Economic Development and International Cooperation (1977-1978 : University of Wisconsin--Madison)