GUNNINGHAM, William P. <br/><br/>
Environmental Science : A Global Concern 

 - 4th 
 - Boston.  WCB & McGraw - Hill  1997 
 - xxi, 634 p 
<br/><br/><label>ISBN: </label>0-697-37083-6 
<br/><br/><label>Dewey Class. No.: </label>363.7