00295nam a2200109Ia 4500082001800000245002800018260004400046300001000090650002200100650004200122700002100164  a301.0228 SOC; 0aSocial indicator models  aNew YorkbRussell Sage Foundationc1975  a411p.  aSocial indicators  aSocial sciences - Statistical methods  aLand, Kenneth C.