00998nam a22003017a 4500 CHAP 20220329140049.0 971013s1953 us r 00010 eng d 46421 47393 51535 CHAP 631.522 T4 Thomas, Mary. 112849 Back crossing; the theory and practice of the backeross method in the breeding of some non-cereal crops Cambridge : Commonwealth Bureau of Plant Breeding and Genetics, 1953 136 p. Technical communication ; 16 BATCH-UPD 10 20130110 UCH01 0226 BATCH-UPD 10 20130110 UCH01 1954 CONVERSION 10 20130109 UCH01 1325 Cultivos Mejoramiento. 30293 Plantas Mejoramiento. 88849 Technical communication ; 16 111884 BK LIBRO 631.522 T4 BC BPA -115205 BPA 21719 51535 i 46421 46421 1 0 0 3 0 MD BC BC 2019-12-31 LIBRO 127 0 631.522 T4 -115205 2019-12-31 00:00:00 2019-12-31 LIBRO