Enger, Eldon D. <br/><br/>
Environmental science : 
a study of interrelationships / 
 - 9th ed. 
 - New York;  McGraw-Hill Higher Education:  2004. 
 - xxv, 477 p.  ill. 
<br/><br/>Includes bibliography reference and index. 
<br/><br/>
<br/><br/><label>ISBN: </label>9780071242806 
<br/><br/><label>Dewey Class. No.: </label>363.7  /  E576 2004