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*1001 $aFørsund, Finn R.$d1943-$0(NO-TrBIB)90163229$4aut$_13884200
*24510$aEconomic perspectives on DEA$cby Finn R. Førsund
*260  $aOslo$bUniversity of Oslo, Department of Economics$c2015
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*4901 $aMemorandum / University of Oslo, Department of Economics$vno. 10/2015
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