00860nam0-22003011i-450-99000652290040332120001010000652290FED01000652290(Aleph)000652290FED0100065229020001010d--------km-y0itay50------baitay-------001yyPrinciples of group solidarityMichael HechterBerkeleyUniversity of California Press1987.XVI, 219 p.23 cmCalifornia series on social choice and political economy11303.3Hechter,Michael147762ITUNINARICAUNIMARCBK990006522900403321IX A 5868316FSPBCFSPBCPrinciples of group solidarity512295UNINAGEN01