Curtis, Otis F; Clark, Daniel G <br/><br/>
Introduction to plant physiology 

 -  McGraw-Hill Book Co., New York  1950 
 - 752 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Plant physiology; Botany
<br/><br/><label>Dewey Class. No.: </label>PG 581.1  CUR-I