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Now showing items 21-30 of 41

Transboundary river basin management and sustainable development : proceedings

PHI; Wessel, J. ed.; Van Dam, J. C. ed. (UNESCO, 1993)

International symposium on estuarine water quality management - monitoring, modelling and research : report

Michaelis, W.; PHI ([s.n.], 1990)

Applied hydrology for technicians

PHI; UNESCO; Balek. J. (UNESCO, 1994)

Investigation of the water regime of river basins affected by irrigation

PHI; UNESCO; Kharchenko, S. I. ed.; Maddock, Th. Jr. ed. (UNESCO, 1982)

Yearbook of the Federal Republic of Germany : calendar year 1984

Alemania. Federal and State Hydrological and Metereological Authorities; PHI (Federal Institute of Hydrology and the German Research Association, 1987)

Yearbook of the Federal Republic of Germany : calendar year 1986

Alemania. Federal and State Hydrological and Metereological Authorities; PHI (Federal Institute of Hydrology and the German Research Association, 1989)

Yearbook of the Federal Republic of Germany : calendar year 1985

Alemania. Federal and State Hydrological and Metereological Authorities; PHI (Federal Institute of Hydrology and the German Research Association, 1988)

Yearbook of the Federal Republic of Germany : calendar year 1983

Alemania. Federal and State Hydrological and Metereological Authorities; PHI (Federal Institute of Hydrology and the German Research Association, 1986)

Yearbook of the Federal Republic of Germany : calendar year 1981

Alemania. Federal and State Hydrological and Metereological Authorities; PHI (Federal Institute of Hydrology and the German Research Association, 1985)

Yearbook of the Federal Republic of Germany : calendar year 1980

Alemania. Federal and State Hydrological and Metereological Authorities; PHI (Federal Institute of Hydrology and the German Research Association, 1984)