Plant breeding / 
edited by Kenneth J. Frey. 
 - 1st ed. 
 - Ames :  Iowa State University Press,  [1966]. 
 - x, 430 p. 
<br/><br/> A symposium held at Iowa State University. 
<br/><br/><label>ISBN: </label>0813822807 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Plant breeding.