Sprague, George Frederick. <br/><br/>
Corn and corn improvement 

 - New York :  Academic Press,  1955 
 - 699 p.  : ilus. 
 - Agronomy  ; 5 .
 - Agronomy  ; 5 .
<br/><br/><label>LCCN: </label>57541 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Maíz.<br/>Maíz--Mejoramiento.
<br/><br/><label>Dewey Class. No.: </label>633.15  / S67