Biological Science :  An ecological approach /. 

 - 5th ed. 
 - Boston :  Houghton Mifflin,  1982. 
 - 800 p. 
<br/><br/><label>ISBN: </label>0395312493 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ecology.<br/>Science.