Byerlee, Derek. <br/><br/>
New wheat varieties and small farmer 

 - México, D. F. :  CIMMYT,  1982 
 - 7 p. 
<br/><br/><label>LCCN: </label>26330 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Trigo--Variedades.