00374nam a2200145Ia 4500008004100000082001800041100002000059245002900079260004800108300000800156650002000164650001400184653001600198653001400214170901s1977    xx            000 0 und d  a301.018bH51S  aHeise, David R. 0aSociological Methodology  aSan FranciscobJossey-Bass Publishersc1977  a320  aSocial sciences  aSociology  aMethodology  aSociology