00372 a2200121 4500082001600000100002300016245007100039260007100110300001500181440002500196650000900221650002000230 a633.18bJEN aJennings, Peter R. aEvaluation of partial sterility in indica x japonica rice hybrids  aPhilippinesbThe International Rice Research Institutec1966g1966 a63p.c27cm aTechnical bulletin 5 aRice aCrop production