Raven <br/><br/>
Environment 
Peter H. Raven,...[et. al.] 
 - San Diego, USA  Saunders College Publishing  1993 
 - xxii, 569p.  ill.  28 cm 
<br/><br/><label>ISBN: </label>0030143292 
<br/><br/><label>LCCN: </label>92056728 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental Sciences