Safeguarding the genetic basis of Afrca's traditional crops :   : proceedings 
/ Seminar, 5-9 October 1992,Naĩrobi, Kenya ; ed. by A. Putter 
. - Wageningen  : CTA, Cop.1994
. - xl-211 p.  : couv. ill. en coul.  ; 32 cm. 
<br/><br/><label>ISBN: </label>929081103X 
<br/><br/><label>Universal Decimal Class. No.: </label>630.