The Ramsar Convention on Wetlands :  its history and development / 
by G.V.T. Matthews 
 - Gland, Switzerland :  Ramsar Convention Bureau,  1993 
 - vi, 122 p. :  ill., maps ;  21 cm. 
<br/><br/>Includes bibliographical references (p. 97-101) 
<br/><br/><label>ISBN: </label>2940073007  Hadiah 
<br/><br/><label>Subjects--Uniform Titles: </label><br/>Convention on Wetlands of International Importance Especially as Waterfowl Habitat (1971) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Wetland conservation--Congresses