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*1001 $aBonin, Holger$0(NO-TrBIB)98012243$_41614800
*24510$aCan immigration alleviate the demographic burden?$cHolger Bonin, Bernd Raffelhüschen and Jan Walliser
*260 $aBergen$bDepartment of Economics, University of Bergen$c[1997]
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*4901 $aWorking papers in economics / Department of Economics, University of Bergen$vno. 0797
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*7001 $aRaffelhüschen, Bernd$0(NO-TrBIB)90786304$_16033200
*7001 $aWalliser, Jan$0(NO-TrBIB)98012242$_41614900
*830 0$aWorking papers in economics (Universitetet i Bergen. Institutt for økonomi : trykt utg.)$x1500-8606$vno. 0797$w999704607674702201$_13115500
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