"Bassins fluviaux." . . "AMAZON RIVER BASIN." . . "CLIMATIC ZONES." . . "Fluss." . . "GAMBIA RIVER BASIN." . . "UNEP." . . "Kongress." . . "Lakes Congresses." . . "INDIA." . . "DEVELOPMENT." . . "INTERNATIONAL RIVERS." . . "LAKE CHAD BASIN." . . "SENEGAL RIVER BASIN." . . "Seengebiet." . . "Landesentwicklung." . . "RIVER BASIN DEVELOPMENT." . . "WATER MANAGEMENT." . . "PROJECT MANAGEMENT." . . . . "United Nations Interregional Meeting on River and Lake Basin Development (1988 : Addis Ababa, Ethiopia)" . . . "Asie." . . "Water resources development" . . "Water resources development." . "WATER RESOURCES DEVELOPMENT." . "AFRICA." . . "DEVELOPMENT PLANNING." . . "Water resources development Congresses." . . "KAGERA RIVER BASIN." . . "INDUS BASIN." . . "See." . . "NIGER RIVER BASIN." . . "ENVIRONMENTAL IMPACT ASSESSMENT." . . "MURA RIVER." . . "Données statistiques." . . "EUPHRATES RIVER BASIN." . . "Gestion des ressources en eau." . . "Africa" . . "Développement économique." . . "Lake basins." . . "Lacs." . . "MAPS." . . "PAKISTAN." . . "Watersheds Congresses." . . "CHAD." . . "MANPOWER DEVELOPMENT." . . "RIO DE LA PLATA BASIN." . . "Interregional Meeting on River and Lake Basin Development, with Special Emphasis on the African Region (1988 : Addis Ababa)" . . . "United Nations. Department of Technical Cooperation for Development." . . "Lakes." . . "LAKE BASIN DEVELOPMENT." . . "YALU RIVER." . . "Afrique." . . "United Nations International Meeting on River and Lake Basin Development with Emphasis on the Africa Region (1988 : Addis Ababa, Ethiopia)" . . . "REGIONAL COOPERATION." . . "MEKONG RIVER BASIN." . . "United Nations. Department of Technical Co-operation for Development." . . . "Kongress" . . . . . . . "Conference papers and proceedings" . "Conference papers and proceedings"@en . . . . . . . . . . . . . . . . . . . . . . . . . "River and lake basin development proceedings of the United Nations Interregional Meeting on River and Lake Basin Development with emphasis on the Africa region, Addis Ababa, Ethiopia, 10-15 October 1988"@en . . . . . "River and lake basin development"@en . . . . . . "River and lake basin development : proceedings of the United Nations Interregional Meeting on River and Lake Basin Development with emphasis on the Africa region ; Addis Ababa, Ethiopia, 10-15 October 1988" . . . . . . . . . . . . "River and lake basin development : Proceedings of an interregional meeting on River and Lake Basin Development with Emphasis on the African Region, held in Addis Ababa, Ethiopia, 10-15 October 1988"@en . . . . . . . . . . . . "River and lake basin development : proceedings of the United Nations Interregional Meeting on River and Lake Basin Development with emphasis on the Africa region, Addis Ababa, Ethiopia, 10-15 October 1988" . . "River and lake basin development : proceedings of the United Nations Interregional Meeting on River and Lake Basin Development with Emphasis on the Africa Region, Addis Ababa, Ethiopia, 10-15 October 1988"@en . . . . . . . . . . . "Publication internationale"@en . . . "River and lake basin development. Proceedings of the United Nations interregional meeting on river and lake basin development with emphasis on the Africa region, Addis Ababa, Ethiopia, 10-15 October 1988"@en . . . . . . "River and lake basin development : proceedings of the United Nations Interregional Meeting on River and Lake Basin Development with Emphasis on the Africa Region, Addis Ababa, Ethoipia, 10-15 Oct. 1988" . . . "Kongreß" . . . . . . . . . . . . "Becken (Geografie)" . . "DRAVA RIVER." . . "Water resources development Africa Congresses." . . "IRRIGATION." . . "HUNGARY." . . "River basins." . . "United Nations Interregional Meeting on River and Lake Basin Development (1988.10.10-15 Addis Ababa)" . . . "Congrès. Addis-Ababa. 1988." . . "CONFERENCES." . . "Afrika." . . "Watersheds." . . "SOMALIA." . . "UN. Department of Technical Cooperation for Development." . . "Bassins hydrographiques." . . "Becken (Geographie)" . . "Wasserwirtschaft." . . "INTERNATIONAL WATERCOURSES." . . "Congrès." . .