000 00272nam a2200121Ia 4500
008 211126s9999 xx 000 0 und d
082 _a515.335
100 _aSHANTHI NARAYAN
245 0 _aDIFFERENTIAL CALCULUS
260 _bS CHAND
365 _b60.00
942 _cBTECH
999 _c125074
_d125074