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*019  $bl
*035  $a(EXLNZ-47BIBSYS_NETWORK)990209835224702201
*035  $a(NO-LaBS)14620841(bibid)
*035  $a(NO-TrBIB)020983522
*035  $a020983522-47bibsys_network
*040  $aNO-TrBIB$bnob$ekatreg
*24504$aThe economic progress of immigrants
*260  $aCambridge, Mass.$bNBER$c1998
*300  $a43, [10] s.
*4901 $aNBER working paper series$v6506
*7001 $aBorjas, George J.$_31712900
*7102 $aNational Bureau of Economic Research (Forente Stater)$_13074800
*830 0$aWorking paper series (National Bureau of Economic Research : trykt utg.)$x0898-2937$v6506$w999105437124702201$_13074900
*901  $a60
*999  $aoai:nb.bibsys.no:990209835224702202$b2021-11-14T20:54:59Z$z990209835224702202
^