Cunningham . P William <br/><br/>
Environmental Science A Global Concern 

 - Boston,  The McGraw - Hill Companies  1997 
 - 634 p.  ill;  28 cm. 
<br/><br/><label>ISBN: </label>0697286711 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Social Problems & services; associations
<br/><br/><label>Dewey Class. No.: </label>363.7  / Cun