000 00252nam a2200109Ia 4500
008 221118b |||||||| |||| 00| 0 eng d
040 _cBGL
100 _aArora, S C
245 0 _aText book of calculus
260 _aDelhi
_bPItamber
_c1988
942 _cWDSA
999 _c37884
_d37884