Weaver, John E.  1884-1966. <br/><br/>
Plant ecology / 
by John E. Weaver and Frederic E. Clements. 
 - 2d ed. 
 - New Delhi :  Tata McGraw-Hill,  1973 
 - xxii, 601 p. incl. front. (map)  ill., diagrs. ;  24 cm. 
<br/><br/>Bibliographies : p. 539-582 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Botany--Ecology.