Evolution of crop plants 
edited by N.W. Simmonds 
 - London  Longman  1979 
 - 339p. ill. 25cm 
<br/><br/>
<br/><br/><label>ISBN: </label>0582444969 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Plants, Cultivated--History