Botkin & Keller <br/><br/>
Environmental Science 

 - 6th ed. 
 - United State Of America  John Wiley & Sons,Inc  2007 
 - 668p 
<br/><br/><label>ISBN: </label>9780470049907 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental science<br/>Human ecology
<br/><br/><label>LC Class. No.: </label>QE 105.M55