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

 - 6th ed. 
 - Boston :  McGraw-Hill,  c2001. 
 - xix, 646 pages:  Illustrations ; 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>0072909323 (acidfree paper) 0071180729 (ISE : acidfree paper) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental sciences.
<br/><br/><label>LC Class. No.: </label>GE 105  / CUN