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Bibliography of hydrology : IHP Japan
(Saikon Publishing, 1980)
Presentación del Instituto de la Calidad del Agua, Dinamarca : servicios ofrecidos
([Water Quality Institute, 1970)
General assembly of Bern : commission of snow and ice: reports and discussions= Assemblée Générale de Berne : rapports et discussions
(Association Internationale D'Hydrologie Scientifique, 1968)
Yearbook of the Federal Republic of Germany : calendar year 1969
(Federal Institute of Hydrology and the German Research Association, 1972)
Yearbook of the Federal Republic of Germany : calendar year 1970
(Federal Institute of Hydrology and the German Research Association, 1970)
Aquifer contamination and protection
(UNESCO, 1980)
National water summary 1984- : hydrologic events, select water quality trends, and groun water resources
(Geological Survey, 1985)
National water summary 1983- : hydrologic events and issues
(Geological Survey, 1984)