Legal aspects of the conservation of wetlands  papers presented at an international conference held in Lyon, 23-26 September 1987 
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. 
 - Gland, Switzerland  IUCN  1991. 
 - v, 202 p.  ill. 
 - IUCN environmental policy and law paper  no. 25 The IUCN conservation library .
<br/><br/> "Société française pour le droit de l'environment. IUCN Commission on Environmental Policy, Law and Administration."  Text in English and French. 
<br/><br/><label>ISBN: </label>2831700736 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Wetland conservation--Law and legislation--Congresses.<br/>Wetland conservation--International cooperation--Law and legislation--Congresses.