Watt, Kenneth E. F. <br/><br/>
Systems analysis in ecology 

 - New York :  Academic Press,  1973 (c.1966) 
 - 276 p.  : ilus. 
<br/><br/><label>LCCN: </label>53204 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ecología.
<br/><br/><label>Dewey Class. No.: </label>574.5  / W38