Protected areas of the world : a review of national systems. 

 - London  IUCN  1992 
 - xxiii, 459p. : ill. 
<br/><br/><label>ISBN: </label>2831700930 
<br/><br/><label>Subjects--Topical Terms: </label><br/>National parks and reserves<br/>Protected areas
<br/><br/><label>LC Class. No.: </label>QH 75 WOR