Directory of wetlands of International importance:   sites designed for thw list of wetlands of international importance 
World Conservation Monitoring Centre 
 - Cambrigde  IUCN  1990 
 - 782p.  ill.  25cm. 
<br/><br/>Includes bibliographical references and idex 
<br/><br/><label>ISBN: </label>2831700140 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Wetlands<br/>Directories
<br/><br/><label>LC Class. No.: </label>IRA QH87.3.W67