Development, maintenance and seed multiplication of open-pollinated maize varieties 

 - México, D.F. :  El Centro,  1984 
 - 11 p.  : ilus. 
<br/><br/><label>LCCN: </label>19708 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Maíz--Polen.<br/>Maíz--Semilla.<br/>Maíz--Variedades.