00805nam0-2200277---450-99000968932040332120130301113843.00-444-86724-4000968932FED01000968932(Aleph)000968932FED0100096893220130301d1983----km-y0itay50------baengSW--------001yySocial insurancepapers presented at th 5th Arne Ryde Symposium Lund, Sweden, 1981edited by Lars SoderstromLund, SveziaElsevier Science Publisher B. V.1983Soderstrom,LarsITUNINARICAUNIMARCBK990009689320403321DECTSI3.4168321DECTSSocial Insurance439106UNINA