000 00220nam a2200109Ia 4500
020 _a9788187156147
100 _aNARAYANAN.S
245 _aCALCULUS- VOL-I
250 _aNIL
260 _c2007
_bS.WISWANATHA
490 _aP2053
999 _c2087
_d2087