Hawksworth, D. L. <br/><br/>
The resource base for biodiversity assessments / 
D. L. Hawksworth 
 - s.l ,   n.d 
 - 525 p. :  ill. ;   29 cm. 
<br/><br/> Published for the United Nations Environment Programme (UNEP). 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental protection.<br/>Environmental impact analysis
<br/><br/><label>Dewey Class. No.: </label>333.7