000 00289nam a2200109Ia 4500
008 191031s9999 xx 000 0 und d
100 _aWilfred manual
245 0 _aStudies on combining ability and heterosis in rice
260 _bM.sc (AG) AC&RI Madurai
260 _c1986
942 _cBK
999 _c223386
_d223386