000
00302nam a2200121Ia 4500
008
220204s9999 xx 000 0 und d
020
_a
8179190015
082
_a
575.222.78
_b
RAI
100
_a
Rai, B
245
0
_a
Heterosis breeding
260
_a
Delhi
_b
Agro-Biological Publications
_c
1979
942
_c
BK
999
_c
42646
_d
42646