Cunningham, William P. <br/><br/>
Environmental science :  a global concern / 

 - 8th ed. 
 - Dubuque, IA :  McGraw-Hill,  2004. 
 - p. cm. 
<br/><br/> Includes index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental sciences.
<br/><br/><label>Dewey Class. No.: </label>363 HIL 2004 A079 Or.