LEADER 00805nam0-2200277---450- 001 990009689320403321 005 20130301113843.0 010 $a0-444-86724-4 035 $a000968932 035 $aFED01000968932 035 $a(Aleph)000968932FED01 035 $a000968932 100 $a20130301d1983----km-y0itay50------ba 101 0 $aeng 102 $aSW 105 $a--------001yy 200 1 $aSocial insurance$epapers presented at th 5th Arne Ryde Symposium Lund, Sweden, 1981$fedited by Lars Soderstrom 210 $aLund, Svezia$cElsevier Science Publisher B. V.$d1983 702 1$aSoderstrom,$bLars 801 0$aIT$bUNINA$gRICA$2UNIMARC 901 $aBK 912 $a990009689320403321 952 $fDECTS$aI3.416$b8321 959 $aDECTS 996 $aSocial Insurance$9439106 997 $aUNINA