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The Nile waters question in view of the Nile agreement of 1959
Keller, H. Anton, (1966)
Khashm el-Girba agricultural project
Allam, Allam Hassan, (1979)
Pläne und Zeichnungen zur Studie Optimale Wasserwirtschaft des Nils
(1963)
Environmental aspects of pollution control in Hungary
Benedek, P., (1976)
Management of upland watersheds
Gay, L. W., (1976)
Method of dealing with water problems, particularly in metropolitan areas
(1976)