Withgott, Jay. <br/><br/>
Essential environment :  the science behind the stories / 
Jay Withgott, Matthew Laposata. 
 - 4th ed. 
 - Upper Saddle River, NJ. :  Pearson,  c2012. 
 - xii, 418 p.+ (various pages) :  ill (mostly col.), photographs ;  28 cm. 
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<br/><br/><label>ISBN: </label>9780321752901 0321752902 
<br/><br/><label>LCCN: </label>2011011755 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental sciences.
<br/><br/><label>Dewey Class. No.: </label>363.7