Cunningham, William P. <br/><br/>
Principles of environmental science :   inquiry and applications /  
by William P. Cunningham and Mary Ann Cunningham. 
 - 4th ed. 
 - New Delhi :  McGraw-Hill Higher Education,  c2007 [Reprinted 2011]. 
 - xviii, 410 p. :  ill. ;  24 cm. 
<br/><br/>Includes index. 
<br/><br/><label>ISBN: </label>9780070647725 0070647720 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental sciences.
<br/><br/><label>Dewey Class. No.: </label>628  / CUP