GENENTIC resources in plants-their exploration and conservation / 
edited by O.H.Frankel, E.Bennett 
 - London  International Biological Programme  1970 
 - xxi, 554 p. 
<br/><br/> IBP handbook no.11 
<br/><br/><label>ISBN: </label>62331 
<br/><br/><label>Dewey Class. No.: </label>581.15  / GEN