Oosting, Henry John. <br/><br/>
The study of plant communities :  an introduction to plant ecology / by Henry J. Oosting. 

 - 2nd ed. 
 - San Francisco :  W.H Freeman,  1956. 
 - viii, 440 p. :  ill. ;  22 cm. 
<br/><br/> Includes index. 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Botany--Ecology.<br/>Plant communities.