000 00544nam a2200193Ia 4500
008 131223s9999 xx 000 0 und d
040 _aISI KOLKATA
041 _aEnglish
082 _a300.151
_bB637
100 _aBlalock H M
245 _aCasual inferences in non-experimental research
260 _aChapel Hill
_bUniv. of North Carolina Press
_c1964
300 _axiv,200p.
650 _aSocial sciences-mathematical models
650 _aSociology
650 _aSociology-mathematics
650 _aSociology-statistics
942 _cBK
999 _c57847
_d57847