000 00268nam a2200121Ia 4500
008 230321s9999 xx 000 0 und d
082 _a372.7
_bNCE
100 _aNCERT
245 0 _aLaboratory Maunal Mathematics
260 _bNCERT
_c2011
300 _a203
942 _cBK
999 _c2821
_d2821