000 00606nam a2200205Ia 4500
003 OSt
005 20220926031427.0
006 a|||||r|||| 00| 0
007 ta
008 220923b |||||||| |||| 00| 0 eng d
037 _cGeneral Book
040 _aRTL
_cRTL
_beng
041 _2eng
_aeng
082 _aB33b4.73.N51, J1.32
245 0 _aCowles commision papers, chicago
_bstatistical intference from non-experimental observation An economic pxomple
260 _as.l
_bs.n.
490 _a32
942 _hB33b4.73.N51, J1.32
_cGB
_2CC
999 _c652299
_d652299