00294nam a22001097a 4500003000400000008004100004082001700045100001600062245004700078260005200125300000700177OSt240606b        |||||||| |||| 00| 0 eng d  a631.53bS48C  aSinha ,A.K.  aCombining ability analysis of maize season  aDepartment of Plant Breeding and Geneticsc1989  a95