LEADER 00809nam0-2200289---450-
001 990009701710403321
005 20130325121626.0
010   $a0-231-04254-x
035   $a000970171
035   $aFED01000970171
035   $a(Aleph)000970171FED01
035   $a000970171
100   $a20130325d--------km-y0itay50------ba
101 0 $aeng
102   $aUS
105   $a--------001yy
200 1 $aSocial security today and tomorrow$fRobert M. Ball
210   $aUnited States of America$cColumbia University Press$d1978
215   $cix, 528 p.$d25 cm
700  1$aBall,$bRobert M.$0216581
801  0$aIT$bUNINA$gRICA$2UNIMARC
901   $aBK
912   $a990009701710403321
952   $aI3.108$b7746$fDECTS
959   $aDECTS
996   $aSocial security today and tomorrow$9842985
997   $aUNINA