000 003310000a22001450004500
060 _a100
082 _a581.166 ROB
100 _aRoberts, H F
245 _aPlant hybridization before mendal
260 _aNewyork, Hafner Publishing Compnay
260 _c1965
300 _a374
650 _aPlant hybridization
942 _cBK
999 _c214343
_d214343