00282nam a22001097a 4500003000400000008004100004082001800045100001500063245007000078260001600148300000800164OSt240308b        |||||||| |||| 00| 0 eng d  a631.522bC53P  aZeven,A.C.  aProed of the conference : Broadening of the genetic base of crops  aPudocc1979  a347