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

 - 4th Ed. 
 - Boston  WCB McGraw-Hill 
 - 634 p. 
<br/><br/><label>ISBN: </label>9780697370839 
<br/><br/><label>Dewey Class. No.: </label>363.7