Gates, Frank C. <br/><br/>
Field manual of plant ecology / 
Frank C. Gates. 
 - 1st ed. 
 - New York :  McGraw-Hill,   © 1949. 
 - xv, 137 p. :  ill. ;  23 cm. 
 - McGraw-Hill publications in the botanical sciences .
<br/><br/> Includes index. 
<br/><br/>319  319 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Plant ecology.
<br/><br/><label>Dewey Class. No.: </label>581.5 / G223f