Heisey, Paul W. <br/><br/>
Accelerating the transfer of wheat breeding grains to farmers :  a study of the dynamics of varietal replacement in Pakistan 

 - México, D. F. :  CIMMYT,  1990 
 - 94 p.  ilus., gráfs. 
<br/><br/><label>LCCN: </label>3119 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Trigo--Mejoramiento.<br/>Trigo--Pakistán.<br/>Trigo--Variedades.
<br/><br/><label>Dewey Class. No.: </label>633.11  / H4