Botkin, Daniel B. , <br/><br/>
Environmental science :  earth as a living planet / 
Daniel B. Botkin, Edward A. Keller. 
 - 6th ed. 
 - 1 volume (various pagings) :  illustrations, color ;  28 cm. 
<br/><br/><label>ISBN: </label>0470049901 9780470049907 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental sciences.<br/>Environmental sciences --Case studies.<br/>Human ecology.<br/>Biological diversity.
<br/><br/><label>LC Class. No.: </label>GE105   / .B68 2007