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World atlas of desertification
1992
Persistent link: https://www.econbiz.de/10004130949
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Annual report / United Nations Environment Programme
United Nations / Environment Programme - Nairobi - 1982(1983) - 1991(1992); 1993(1995); 2001(2002)
Persistent link: https://www.econbiz.de/10004114215
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The State of the environment
United Nations / Environment Programme - Nairobi : Programme - 1.1974 - 8.1981; 1972/82(1982); 1983 - 1986; 1988 -
Persistent link: https://www.econbiz.de/10004092034
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Earth and us : population - resources - environment - development
Tolba, Mostafa Kamal (contributor) - 1991
Persistent link: https://www.econbiz.de/10004103897
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Environmental data report
United Nations / Environment Programme - Oxford [u.a.] : Blackwell - [1.]1987; 2.1989/90(1989) - 4.1993/94(1993); damit …
Persistent link: https://www.econbiz.de/10004074977
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UNEP Studies
United Nations / Environment Programme - Oxford [u.a.] : Pergamon Pr.
Persistent link: https://www.econbiz.de/10004032094
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Global environment outlook 2000
In: Global environment outlook : GEO ; environment for …
Persistent link: https://www.econbiz.de/10004198204
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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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Guidelines on integrated environmental management in countries in transition
1994
Persistent link: https://www.econbiz.de/10004328724
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An Environmental bibliography : publications issued by UNEP or under its auspices
United Nations / Environment Programme - Nairobi : United Nations Environment Programme - 1973/80(1981) nachgewiesen
Persistent link: https://www.econbiz.de/10004258282