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Sustainable development and environmental management of small islands
Beller, William S. (ed.); Ayala, Pier Giovanni d' (ed.) - 1990
Persistent link: https://www.econbiz.de/10013264312
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Mediterranean forests and maquis : ecology, conservation and management
1977
Persistent link: https://www.econbiz.de/10000019237
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Regional meeting on integrated ecological research and training needs in the Sahelian Region
1974
Persistent link: https://www.econbiz.de/10003621012
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The United Nations system. - 1984. - 279 S. - Literaturangaben
1984
Persistent link: https://www.econbiz.de/10000316373