May Robert M Ed. <br/><br/>
Theoretical ecology    Principles and applications    
May Robert M Ed. 
 - Philadelphia  W B Sounders          1976 
 - viii,317p. Bip p. 282-307  cm. 
<br/><br/><label>ISBN: </label>0721662056 
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Modern - Geography
<br/><br/><label>Dewey Class. No.: </label>U:(G:5), L6