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Development and the environment in the Senegal basin under the OMVS Treaty
Okidi, Charles O. - 1987
Persistent link: https://www.econbiz.de/10000770156
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Environmental quality and water development
Goldman, Charles Remington (ed.);  … - 1973
Persistent link: https://www.econbiz.de/10000041456
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Technology and ecology
1975
Persistent link: https://www.econbiz.de/10003269220
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Strategies for river basin management : environmental integration of land and water in a river basin
Lundqvist, Jan (ed.); Lohm, Ulrik (ed.) - 1985
Persistent link: https://www.econbiz.de/10013378842
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The management of water quality and the environment : proceedings of a conference ... at Lyngby, Denmark
Rothenberg, Jerome (contributor); Heggie, Ian G. (contributor) - 1974
Persistent link: https://www.econbiz.de/10000040657
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Első kézből : a faluról, a hústermelésről és húsfogyasztásról ...
Gallyas, Csaba (revision) - 1987
Persistent link: https://www.econbiz.de/10000744437
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Az öngyilkos civilizáció : a levegő és víz szennyeződése, a talajerő pusztulása
Jócsik, Lajos - 1971
Persistent link: https://www.econbiz.de/10002731215
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Deregulation in the European Union : environmental perspectives
Collier, Ute (ed.) - 1998 - 1. publ.
Persistent link: https://www.econbiz.de/10013488180
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Az ökológia kérdései a sajtóban
Kováts, Ildiko; Tölgyesi, János - 1986
Persistent link: https://www.econbiz.de/10000723876