Zeven, A.C. <br/><br/>
Dictionary of clutivated plants and their centres of diversity: excluding arnamentals forest trees and lower plants  A.C. Zeven and P.M. Zhukovsky. 

 - Wageninger  Centre for Agricultural Publishing and Documentation  1975 
 - 219p., ll. 25cm. 
<br/><br/><label>ISBN: </label>90-220-0549-6. 
<br/><br/><label>Dewey Class. No.: </label>631.503,  / Z06D