000 00339nam a2200133Ia 4500
008 140208s9999 xx 000 0 und d
044 _aIndia
080 _a631.52 R13H
100 _aRai, B.
245 _aHeterosis breeding
_cB. Rai
260 _bAgro-Biological Publications
_aDelhi
_c1979
300 _avi, 183 p.; 25cm.
942 _2udc
_cGB
999 _c8581
_d8581