Krebs, Charles J. <br/><br/>
The message of ecology 

 - Cambridge  Happer & Row, Publisher   1988 
 - x, : 195p. 
<br/><br/><label>ISBN: </label>0060437731 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Management
<br/><br/><label>Dewey Class. No.: </label>577 KRE