00418nam a2200145Ia 4500082001700000245004100017260002800058300001400086440003200100504001900132650004200151650003400193650002700227700001800254  a300.727 CAS; 0aCasual models in the social sciences  aLondonbMacMillanc1971  axi, 515p.  aMethodological perspectives  aIncludes index  aSocial sciences - Statistical methods  aSocial sciences - Methodology  aMathematical sociology  aBlalock, H.M.