Buscar
Mostrando ítems 1-10 de 57
Experimental facilities in water resources education
(UNESCO, 1983)
IHP Information
(UNESCO ROSTLAC, 1994)
UNESCO publications in the field of water sciences = Publications de l`UNESCO dans le domaine des sciences de l`eau
(International Hydrological Programme, 1987)
UNESCO publications in the field of water sciences = publications de l`UNESCO dans le domaine des sciences de l`eau
(International Hydrological Programme, 1985)
UNESCO publications issued in the field of water sciences
(International Hydrological Programme, 1984)
IHP catalogue of publications 1999
(UNESCO, 1999)