CUNNINGHAM, William P. <br/><br/>
Environmental Science a global concern 

 - 4th ed. 
 - New York  WCB Mc Graw hill  1997 
 - xxi, 634p. 
<br/><br/><label>ISBN: </label>0-697-370883-6 
<br/><br/><label>Dewey Class. No.: </label>363.7