LEADER 00779nam0-22002771i-450- 001 990003438630403321 005 20061016123132.0 035 $a000343863 035 $aFED01000343863 035 $a(Aleph)000343863FED01 035 $a000343863 100 $a20030910d1982----km-y0itay50------ba 101 0 $aeng 105 $ay-------001yy 200 1 $aEconomic effects of social security$fHenry J. Aaron 210 $aWashington$cThe Brooking Institution$d1982 215 $aXII, 84 p. 700 1$aAaron,$bHenry J.$0113318 801 0$aIT$bUNINA$gRICA$2UNIMARC 901 $aBK 912 $a990003438630403321 952 $aI3.98$b93$fDECTS 952 $aSE 011.08.21-$b482$fDECSE 959 $aDECTS 996 $aEconomic effects of social security$9444216 997 $aUNINA