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101 0 $aeng
102   $aUS
105   $a--------001yy
200 1 $aSocial security: visions and revisions$ea twentieth century fund study$fW. Andrew Achenbaum
210   $aCambridge$cCambridge University Press$d1986
215   $cxii, 300 p.$d19 cm
700  1$aAchenbaum,$bW. Andrew$0519202
801  0$aIT$bUNINA$gRICA$2UNIMARC
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996   $aSocial security: visions and revisions$9843317
997   $aUNINA