000			00285nam a2200133Ia 4500
008			221229s9999 xx 000 0 und d
100			_aNCERT
245		0	_aChemistry part-I
250			_a1st
260			_aNew Delhi _bNCERT _c2006
300			_a280
650			_aEducation
942			_cBK
999			_c6996 _d6996