000 00247nam a2200109Ia 4500
008 200701s1998 xx 000 0 eng d
100 _aPISKUNOV.N
245 0 _aCALCULUS
260 _bCBS PUBLICATIONS N.DELHI
_c1998
300 _a576
942 _2ddc
_cGE
999 _c128
_d128