Whittaker, Robert H.,  1920. <br/><br/>
Communities and ecosystems / 
Robert H. Whittaker. 
 - 2nd edition. 
 - New York :  Macmillan,  c1975. 
 - xviii, 385 pages :  Illustration ;  24 cm. 
<br/><br/> Includes bibliographical references. 
<br/><br/>Includes bibliographies and index. 
<br/><br/><label>ISBN: </label>0024273902 
<br/><br/><label>LCCN: </label>74006636 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ecology.
<br/><br/><label>LC Class. No.: </label>QH541  / .W44 1975 
<br/><br/><label>Dewey Class. No.: </label>574.5/24