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Environmental aspects of pollution control in Hungary
Benedek, P.; Simó, T. - 1976
Persistent link: https://www.econbiz.de/10001904574
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The projects for the increase of the Nile yield with special reference to Jonglei Project : Sudan
Mohamed, Kamal Ali - 1977
Persistent link: https://www.econbiz.de/10002500716
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Management of upland watersheds
Gay, L. W. (contributor) - 1976
Persistent link: https://www.econbiz.de/10003184727
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Method of dealing with water problems, particularly in metropolitan areas
1976
Persistent link: https://www.econbiz.de/10003187821
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Development of a national to water assessment, research and management
1976
Persistent link: https://www.econbiz.de/10003104738
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Ten years of agricultural trade in Europe : recent trends and future prospects
United Nations / Economic Commission for Europe; United … - Geneva : UN - 1951/60(1962)
Persistent link: https://www.econbiz.de/10004313732
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United States participation in the UN : report by the President to the Congress for the year ...
United States / President; United States; United Nations; … - Washington, DC : US Gov. Print. Off. - 1.1946(1947) -
Persistent link: https://www.econbiz.de/10004204730
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Étude sur le commerce international et le développement : rapport du Secrétariat de la CNUCED
United Nations - New York, NY - Nachgewiesen 1967(1968); 1969 - 1970[?]
Persistent link: https://www.econbiz.de/10004165299
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A survey of economic conditions in Africa
United Nations / Economic Commission for Africa; United … - New York, NY : United Nations - 1960/64(1967); 1967(1969) - 1973(1974)
Persistent link: https://www.econbiz.de/10004165450
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Yearbook of international trade statistics
United Nations / Statistical Office; United Nations / …; … - New York, NY : UN - 1.1950(1951) - 31.1982(1984/85)
Persistent link: https://www.econbiz.de/10004165998