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*019  $bl
*035  $a(EXLNZ-47BIBSYS_NETWORK)990209836384702201
*035  $a(NO-LaBS)14034140(bibid)
*035  $a(NO-TrBIB)020983638
*035  $a020983638-47bibsys_network
*040  $aNO-TrBIB$bnob$ekatreg
*24504$aThe effect of old age assistance on retirement
*260  $aCambridge, Mass.$bNBER$c1998
*300  $a36 s.
*4901 $aNBER working paper series$v6548
*7001 $aFriedberg, Leora$_41946700
*7102 $aNational Bureau of Economic Research (Forente Stater)$_13074800
*830 0$aWorking paper series (National Bureau of Economic Research : trykt utg.)$x0898-2937$v6548$w999105437124702201$_13074900
*901  $a60
*999  $aoai:nb.bibsys.no:990209836384702202$b2021-11-14T20:29:27Z$z990209836384702202
^