Robert L. Tortorelli
William H. Asquith
Floyd A. Huff
Raymond M. Zehr
Raymond M Zehr
Robert L Tortorelli
Manuel J. Santos Sousa Machado
S. E. Rantz
World Meteorological Organization.
Neal Lott
J. D. Goodridge
United States. Bureau of Reclamation
Gordon John Bell
California. Dept. of Water Resources. Division of Planning.
Low, Koon Sing.
Silvério de Figueiredo Godinho
John M. Bona