000 00491 a2200145 4500
001 4317
008 eng
041 _aeng
100 _aOrtiz Ferrara, Guillermo
245 _aA Comparison of Four Methods of Selection for the Improvement of Grain Yield in Winter by Spring Wheat Crosses (Triticum aestivum L. em Thell).
260 _bOregon State University
_c1980
300 _a76
653 _aGenetic
653 _aWHEAT YIELD POTENTIAL GRAIN IMPROVEMENT
999 _c13892
_d13892