000 00276nam a2200121Ia 4500
008 220108s9999||||xx |||||||||||||| ||und||
100 _aN.P. BALI
245 0 _aDIFFERENTIAL CALCULUS
260 _bLAXMI PUB, N. DELHI
300 _a1031
650 _aMATHEMATICS
942 _cBK
999 _c17261
_d17261