Global biodiversity assessment / 
V. H. Heywood, executive editor ; R.T . Watson, chair. 
 - Cambridge :  Cambridge University Press,  1995. 
 - x, 1140 p. :  ill., maps ;  31 cm. 
<br/><br/> "Published for the United Nations Environment Programme."  Includes index. 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>0521564816 (pbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Biological diversity.<br/>Biological diversity conservation.