Holden, John Peacock, James Williams, Trevor <br/><br/>
Genes, crops and the environment 

 - Cambridge  Cambridge univ press  1993 
 - xiii;162p 
<br/><br/><label>ISBN: </label>521437377 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Economics of land and energy<br/>Germplasm resource