Cunningham, William P. <br/><br/>
Principles of environmental science :   inquiry & applications / 
by William Cunningham, Mary Ann Cunningham. 
 - 4th ed. 
 - New Delhi :  McGraw-Hill,   c2003. 
 - xxii, 410 p. : col. ill., col. maps ; 28 cm. 
<br/><br/>Includes index. 
<br/><br/><label>ISBN: </label>9780070647725:   
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental sciences -- Textbooks
<br/><br/><label>Dewey Class. No.: </label>628  / CUN/P