Oosting, Henry J. <br/><br/>
The  study of plant communities :  an introduction to plant ecology / 
Henry J. Oosting 
 - 2nd ed. 
 - London :  W. H. freeman and Co.,  1948 
 - 440 p. :  ill, photos ;  20 cm. 
<br/><br/> Includes index 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Embryophyta<br/>Descriptive biology--plants
<br/><br/><label>Dewey Class. No.: </label>581.5