Curtis, Otis Freeman  1888-1949. <br/><br/>
An introduction to plant physiology / 
Otis F. Curtis and Daniel G. Clark. 
 - New York :  McGraw-Hill,  c1950. 
 - xiii, 752 p. :  illus. ;  21 cm. 
 - McGraw-Hill publications in the botanical sciences .
<br/><br/>Include index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Plant physiology.
<br/><br/><label>Dewey Class. No.: </label>571.2  / CUI 1950