Mangelsdorf, Paul C. <br/><br/>
Corn  : its origin, evolution and improvement 

 - Cambridge, Mass. :  Harvard University,  1974 
 - 262 p.  : ilus 
<br/><br/><label>LCCN: </label>30345 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Maíz--Historia.<br/>Maíz--Mejoramiento.
<br/><br/><label>Dewey Class. No.: </label>633.15  / M32