000 00284nam a2200133Ia 4500
008 230321s9999 xx 000 0 und d
082 _bNCE
100 _aNCERT
245 0 _aLaboratory maunal Chemistry (XI)
250 _a1st
260 _bNCERT
_c2011
300 _a152
942 _cBK
999 _c2820
_d2820