Botkin, Daniel B. <br/><br/>
Environmental science :  earth as a living planet / 
Daniel B. Botkin, Edward A. Keller 
 - 4th ed. 
 - Upper Saddle River, NJ:  John Wiley & Sons,  2003 
 - xxvii, 668, 4, 17, 18, 2, 13 p. :  ill. ;  28 cm. 
<br/><br/>Includes bibliographical references, glossary and index 
<br/><br/><label>ISBN: </label>0471389145 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental sciences<br/>Human ecology<br/>Biological diversity