Gates, Frank C. <br/><br/>
Field manual of plant ecology 
Frank C. Gates 
 - 1st 
 - New York  McGraw-Hill Book Co.  1949 
 - xv, 137 p.  illus.  24 cm. 
 - McGraw-Hill publications in the botanical sciences .
<br/><br/>Includes bibliographies 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Plant ecology