000 00455nam a2200157Ia 4500
999 _c11345
_d11345
082 _a300.72 BLA-;
100 _aBlalock, Hubert M.
245 0 _aCausal inferences in non experimental research
260 _aChapel Hill
_bUniversity of North Carolina Press
_c1961
300 _a200p.
650 _aInference
650 _aInference (Logic)
650 _aSocial sciences - Research
650 _aSocial sciences - Statistical methods
942 _cBK
_2ddc