00346nam a2200121Ia 4500020001800000082001900018245005900037260003900096300001000135650003400145650002200179700002300201  a0-8039-3111-5  a306.85072 FAM; 0aFamily variables: conceptualization measurment and use  aNew DelhibSage Publicationsc1990  a238p.  aSocial sciences - Methodology  aFamily - Research  aDraper, Thomas W.