Raven Peter H and Berg Linda R <br/><br/>
Environment 
by Peter H Ravan and Linda R Berg 
 - ed.3 
 - Philadelphia  Harcourt college publishers  2001 
 - xxx;612p. 
<br/><br/><label>ISBN: </label>0030315832 
<br/><br/><label>Subjects--Topical Terms: </label><br/>ecosystem and energy<br/>population growth<br/>renewable energy and conservation
<br/><br/><label>Dewey Class. No.: </label>363.7  / RAV