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)
Symposium on the Status of Knowledge, Critical Research Needs, and Potential Research Facilities Relating to the Study of the Oceans from Space (1967 : Houston, Tex.)