papers presented at an international conference held in Lyon, 23-26 September 1987 Untermaier, Jean. Société française pour le droit de l'environment International Union for Conservation of Nature and Natural Resources IUCN Commission on Environmental Policy, Law and Administration text bibliography conference publication sz Gland, Switzerland IUCN 1991 monographic eng

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v, 202 p. ill. scientific direction, Jean Untermaier = Aspects juridiques de la protection des zones humides : communications présentées à la conferérence internationale de Lyon, 23-26 septembre 1987 / direction scientifique, Jean Untermaier. "Société française pour le droit de l'environment. IUCN Commission on Environmental Policy, Law and Administration." Text in English and French. Wetland conservation Law and legislation Congresses Wetland conservation International cooperation Law and legislation Congresses 2831700736 EVLG 920720 20180131090900.0 198485 spa