00756nam0-22002651i-450-9900030056804033210-669-74393-3000300568FED01000300568(Aleph)000300568FED0100030056820000920d1971----km-y0itay50------baengAggregation and Disaggregation in SociologyMichael T. Hannan.Lexington, Mass.D. C. Heath1971XV, 146 p.23 cm11320Hannan,Michael T.77630ITUNINARICAUNIMARCBK99000300568040332111320 HAN4338/ISESSESAggregation and Disaggregation in Sociology468399UNINA