Hancock, James F. <br/><br/>
Plant evolution and the origin of crop species/ 
James F. Hancock. 
 - Englewood Cliffs, N.J.:  Prentice-Hall International,  1992. 
 - x, 305 p. :   ill. ;   23 cm. 
<br/><br/><label>ISBN: </label>0136785905 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Crops--Evolution.<br/>Crops--Origin.<br/>Plants--Evolution.