Environment 00/01 / 
Edited by John L. Allen. 
 - 19th. ed. 
 - x, 229 pages. :ill ;  28 cm. 
 - Annual Editions .
<br/><br/> Includes glossary and index. 
<br/><br/><label>ISBN: </label>0072365498 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environment--periodicals.