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Author/Creator
- Unesco5
- International Atomic Energy Agency3
- World Meteorological Organization3
- Cargill, Simon M.2
- International Association of Scientific Hydrology2
- International Symposium on Isotope Hydrology in Water Resources Development (6th : 1983 : Vienna, Austria)2
- Krushensky, R. D.2
- Raines, Gary L.2
- United States. Agency for International Development2
- Workshop on Development of Mineral, Energy, and Water Resources and Mitigation of Geologic Hazards in Central America (1985 : Antigua, Guatemala)2
- Comisión Administradora del Río de la Plata1
- Convegno su "La città e il fiume (2001 : Rome, Italy)1
- Geological Survey (U.S.)1
- Geological Survey (U.S.), issuing body1
- Guerrero, Raúl A.1
- Instituto Nacional de Investigación y Desarrollo Pesquero (Argentina)1
- Symposium on Use of Isotopes in Hydrology. Vienna, (1970)1
- Travaglini, Carlo M.1
- WMO/Unesco Panel on Terminology1