000 00329nam a2200133Ia 4500
008 220204s9999 xx 000 0 und d
082 _a575.222.78
_bJAN
100 _aJanossy, A
245 0 _aHeterosis in plant breeding
260 _aAmsterdam
_bElsevier
_c1974
650 _aHeterosis
700 _aLupton, F G H
942 _cBK
999 _c25015
_d25015