Whittaker, Robert Harding <br/><br/>
Communities and ecosystems 

 - 2nd ed. 
 - New York  Macmillan  1975 
 - xviii, 385p. : ill 
<br/><br/><label>Subjects--Topical Terms: </label><br/>ECOLOGY<br/>ECOSYSTEMS--MANAGEMENT
<br/><br/><label>LC Class. No.: </label>QH 541 Whi