United States. Environmental Protection Agency. Office of Ground Water and Drinking Water
K. J. Takasaki
R. A. Johnson
United States Geological Survey
Tahal--Water Planning for Israel, ltd. Hydrology Division.
Food and Agriculture Organization of the United Nations
Richard M. Bloyd
Unknown Author
Donald L. Coffin
Léczfalvy, Sándor.
France. Bureau central d'études pour les équipements d'outre-mer.
Geological Survey (U.S.)
Eric Senter
Marshall L. Williams
Marián Lichner
R. M. Cordova
G. P. Kuzʹmin
Walter F. Holmes
Walter F Holmes