Weaver, John E. <br/><br/>
Plant ecology 
by John E. Weaver ... and Frederic E. Clements ... 
 - New York  McGraw-Hill Book Company, inc.  1938 
 - xxii, 601 p. incl. front. (map) illus., diagrs  24 cm. 
 - McGraw-Hill publications in the botanical sciences .
<br/><br/>Bibliography: p. 539-582. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Plant ecology