1. A pure-line method in corn breeding;Shull;Am. Breeders Assoc. Rep.,1909
2. Genetic contribution to the yield gains of U.S. hybrid maize, 1930 to 1980;Duvick,1984
3. Contribution of breeding to maize improvement in the United States;Russell;Iowa State J. Res.,1986
4. Measurement of genetic diversity among maize hybrids: a comparison of isozymic, RFLP, pedigree, and heterosis data;Smith;Maydica,1992
5. Identification of genetic factors contributing to heterosis in a hybrid from two elite maize inbred lines using molecular markers;Stuber;Genetics,1992