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Manuel de protection de la nature en Suisse : apprendre, comprendre et défendre la nature 1997 Hintermann Urs | Broggi, Mario F. | Locher, Reto | Gallandat, Jean-Daniel | Geiger, Willy | Stuber, Alain | Kopp-Demougeot, Elisabeth |
Conservation and management of natural heritage in Arab countries : proceedings of the third Regional training course 1996 Ayyad, Mohamed A. | Kassas, Mohammed | Ghabbūr, Samīr Ibrāhīm |
The last frontier forests : ecosystems and economies on the edge 1997 Bryant, D. G. | Nielsen, Daniel | Tangley, Laura |
Intellectual property rights and biodiversity conservation : an interdisciplinary analysis of the values of medicinal plants 1995 Swanson, Timothy M. |