Introduction to ecology 
Colinvaux, Paul A. 
 -  John Wiley & Sons Inc.  1973 
 - 621 pages 
<br/><br/>
<br/><br/><label>ISBN: </label>0-471-16499-2 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ecology.
<br/><br/><label>Dewey Class. No.: </label>574.5 C682 1973