000 00264nam a2200121Ia 4500
008 190216s9999||||xx |||||||||||||| ||und||
100 _aBrij Narain
245 0 _aCurve Fitting
260 _bS Chand & Co
_c1944
300 _a197p
650 _aCommerce
942 _cBK
999 _c3996
_d3996