Oosting, Henry John, 1903- <br/><br/>
The study of plant communities :  an introduction to plant ecology / 
by Henry J. Oosting. 
 - 2nd ed. 
 - San Francisco:  W.H. Freeman,  1956. 
 - 440 p.:  illus.;  23 cm. 
<br/><br/>Includes bibliographies. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Botany--Ecology<br/>Plant communities