Conningham, William P. <br/><br/>
Environmental science   

 - 6th edition. 
 - New York :   Mcgraw Hill,   2001. 
<br/><br/><label>ISBN: </label>0071180729 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Life Sciences
<br/><br/><label>Dewey Class. No.: </label>628  / CON