000 00312nam a2200133Ia 4500
008 180528s9999 xx 000 0 und d
040 _cSerosoft Solutions
100 _aAggarwal
245 0 _aSecondary School Mathematics
260 _aNew Delhi
260 _bBharati Bhawan
260 _c1991
942 _cLeding
999 _c8652
_d8652