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*1001 $aFehr, Hans$0(NO-TrBIB)1058530$_101181900
*24514$aThe role of immigration in dealing with the developped world's demographic transition$cHans Fehr, Sabine Jokisch, Laurence Kotlikoff
*260  $aCambridge, Mass.$bNational Bureau of Economic Research$c2004
*300  $a40 s.$bill.
*4901 $aWorking paper series / National Bureau of Economic Research$v10512
*7001 $aJokisch, Sabine$0(NO-TrBIB)4003280$_101182000
*7001 $aKotlikoff, Laurence J.$0(NO-TrBIB)90056656$_37657100
*830 0$aWorking paper series (National Bureau of Economic Research : trykt utg.)$x0898-2937$v10512$w999105437124702201$_13074900
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*999  $aoai:nb.bibsys.no:990415331784702202$b2021-11-14T20:45:21Z$z990415331784702202
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