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Introduction to ground-water hydraulics : a programed text for self-intruction
(United States Geological Survey, 1978)
Status of ground-water modeling in the U. S. Geological Survey
(United States Geological Survey, 1976)
Bibliography of hydrology : IHP Japan
(Saikon Publishing, 1980)
First WMO long-term plan : Part I: overall policy and strategy (1984-1993)
(Secretariat of the World Meteorological Organization, 1983)
Program of operation for the national water data exchange (NAWDEX)
(U. S. Geological Survey, 1977)
Publicaciones de la Escuela de Ingeniería : 1978
(Escuela de Ingeniería PUC, 1978)
Publicaciones de la Escuela de Ingeniería : 1979
(Escuela de Ingeniería PUC, 1979)