000 00474nam a2200169Ia 4500
008 170101s1974 xx 000 0 und d
082 _aT 633.182.3 S48S
100 _aSINGH, Narendra Bahadur
245 0 _aStudies on mutagen induced polygenic variability in rice (Oryza sativa L)
250 _aCOA
260 _aLudhiana
_bPAU
_c1974
300 _a133+36L
650 _aRICE BREEDING
653 _aDISSERTATIONS, ACADEMIC
653 _aRICE BREEDING
942 _2ddc
_cT
999 _c19647
_d19647