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International Rivers ; [Hauptbd.]
Kaeckenbeeck, Georges, (1918)
Special issue on watershed development ; Pt. 1
Srivastava, O. N., (1999)
Water and energy
Varma, Chelikani Venkata Jagannath, (1997)
Family planning, internal migration and urbanization in ECAFE countries : bibliography of available materials
(1968)
Fertility studies in the ECAFE region : a bibliography of books, papers and reference materials
(1971)
Stratigraphic correlation between sedimentary basins of the ESCAP region
(1970)