000 00435nam a2200157Ia 4500
008 170901s1979 xx 000 0 und d
082 _a631.523
_bR13H
100 _aRai, B
245 0 _aHeterosis Breeding
260 _aDelhi
_bAgro-Biological Publications
_c1979
300 _a184
650 _aAgriculture and related technologies
650 _aTechnology (Applied sciences)
653 _aHeterosis breeding
942 _2ddc
_cBK
_05
999 _c13813
_d13813