x  x <br/><br/>
Ecological Concepts  The Contribution of Ecology to an Undersrtanding of The Natural World 

 - x 
 - Oxford; Boston  Blackwell Scientific Pub.  1989 
 - viii, 385 
<br/><br/>Includes 
<br/><br/><label>ISBN: </label>0632025697 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ecology - Congresses Ecology - Congresses 
<br/><br/><label>Dewey Class. No.: </label>574.5/E17