Watts, David,  1935- <br/><br/>
Principles of biogeography :  an introduction to the functional mechanisms of ecosystems / 
David Watts 
 - New York :  McGraw-Hill,  c1971 
 - xvi, 401 p. :  ill. ;  23 cm. 
 - McGraw-Hill series in geography .
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>0070941459 :  USD 11.45 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Biogeography
<br/><br/><label>Dewey Class. No.: </label>574.9