000 003300000a22001330004500
008 140223b1944 xxu||||| |||| 00| 0 eng d
041 _aeng
080 _aXOB28 H4
082 _aXOB28 H4
100 _aBrij Narain
245 _aCurve fitting for students of economics
260 _aDelhi
_bChand
_c1944
650 _aEconometrics
999 _c150531
_d150531