Plant breeding/ 
edited by Kenneth J. Frey. 
 - 1st ed. 
 - Ames:  Iowa State University Press,  1981. 
 - 497 p.:    23 cm. 
<br/><br/>Includes bibliographies and index. 
<br/><br/><label>ISBN: </label>0813815509 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Plant--breeding--Congresses.