000 00323nam a2200133Ia 4500
008 190710s9999 xx 000 0 und d
020 _a81-7450-535-0
082 _a540 N213C,
100 _aNCERT
245 0 _aChemistry: textbook for class XI
260 _aNew Delhi
_bNCERT
_c2012
300 _aviii, 255-42
942 _cBK
999 _c32126
_d32126