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The world environment 1972 - 1992 : two decades of challenge
Tolba, Mostafa Kamal (contributor) - 1992 - 1. ed.
Persistent link: https://www.econbiz.de/10004144473
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Global environment outlook
In: Global environment outlook : GEO ; environment for … (1997)
Persistent link: https://www.econbiz.de/10004328049
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Guidelines on integrated environmental management in countries in transition
1994
Persistent link: https://www.econbiz.de/10004328724
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Children and the environment : report of the executive director
In: The State of the environment 1990 (1990)
Persistent link: https://www.econbiz.de/10004901719
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Umwelt - weltweit : Bericht des Umweltprogramms der Vereinten Nationen (UNEP) 1972 - 1982
Holdgate, Martin W. (contributor) - 1983 - 1. dt. Aufl.
Persistent link: https://www.econbiz.de/10004761234
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The world environment 1972 - 1982 : a report
Holdgate, Martin W. (contributor) - 1982 - 1. ed.
Persistent link: https://www.econbiz.de/10004761951
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Global environment outlook : GEO ; environment for development
United Nations / Environment Programme - Nairobi : UNEP - 1.1997; [2.]2000(1999); 3.2002 -
Persistent link: https://www.econbiz.de/10004762801