Botkin, Daniel B <br/><br/>
Environmental science : Earth as a living planet 
/by Daniel Botkin and Edward A. Keller 
 - Canada  John Wiley and Sons   1995 
 - xxvii,627p. 
<br/><br/><label>ISBN: </label>0-471-54548-1 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental sciences--Human ecology
<br/><br/><label>Dewey Class. No.: </label>574.5  / BOT/E