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*019  $bl
*035  $a(EXLNZ-47BIBSYS_NETWORK)990209773604702201
*035  $a(NO-LaBS)14674665(bibid)
*035  $a(NO-TrBIB)020977360
*035  $a020977360-47bibsys_network
*040  $aNO-TrBIB$bnob$ekatreg
*24500$aTrends in male labor force participation and retirement :$bsome evidence on the role of pensions and social security in the 1970's and 1980's
*260  $aCambridge, Mass.$bNBER$c1997
*300  $a34,[10] s.
*4901 $aNBER working paper series$v6208
*7001 $aAnderson, Patricia M.$_36022300
*7001 $aGustman, Alan L.$_20358600
*7001 $aSteinmeier, Thomas L.$_20358700
*7102 $aNational Bureau of Economic Research (Forente Stater)$_13074800
*830 0$aWorking paper series (National Bureau of Economic Research : trykt utg.)$x0898-2937$v6208$w999105437124702201$_13074900
*901  $a60
*999  $aoai:nb.bibsys.no:990209773604702202$b2021-11-14T20:56:23Z$z990209773604702202
^