Cunningham,William P <br/><br/>
Principles of environmental science:  inquiry and applications/ 
William P Cunningham and Mary Ann Cunningham 
 - 387p. 
<br/><br/> includes index 
<br/><br/><label>ISBN: </label>9780071221863 
<br/><br/><label>Subjects--Topical Terms: </label><br/>environmental systems<br/>food and agriculture
<br/><br/><label>LC Class. No.: </label>GE 105 CUN 2009