The environment encyslopedia and directory 2001 

 - 3rd ed. 
 - London :  Europa Publication  2001 
 - xviii, 622 p. ;  29 cm. 
<br/><br/>Includes bibliographical references (p. 397-455) and index 
<br/><br/><label>ISBN: </label>1857430891  RM1682.10 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental protection--Encyclopedias