Report 

 - Washington :  American Seed Trade Association,  (s.a) 
 - 157 p. 
<br/><br/><label>LCCN: </label>17936 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Maíz--Congresos.<br/>Maíz--Híbridos.
<br/><br/><label>Dewey Class. No.: </label>633.15  / H9 1965