00266nam a22001097a 4500003000400000008004100004082001700045100001200062245004700074260002700121300000800148OSt241009b        |||||||| |||| 00| 0 eng d  a633.15bU-4M  aU.S.D.A  aMaize genetics Co operation ,New Letter,55  aColumbia U.S.D.Ac1981  a161