Clapham, Wentworth B.,  1942- <br/><br/>
Natural ecosystems/  English  
[by] W. B. Clapham, Jr. 
 - New York,  Macmillan  [1973] 
 - viii, 248 p.  illus.  26 cm. 
<br/><br/>Includes bibliographies. 
<br/><br/><label>LCCN: </label>72077146  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ecology.
<br/><br/><label>LC Class. No.: </label>QH541  / .C45 
<br/><br/><label>Dewey Class. No.: </label>551.588  / CLA