Raven, Peter H. <br/><br/>
Environment / 
Peter H. Raven, Linda R. Berg, George B. Johnson 
 - Fortworth, Tx. :  Saunders College Publishing,  1993. 
 - xxii, 569 p. :  ill. ;  28 cm. 
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>0030143292 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental sciences<br/>Environmental degradation
<br/><br/><label>Dewey Class. No.: </label>Q 333.7 RAV