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*035  $a(EXLNZ-47BIBSYS_NETWORK)990209838404702201
*035  $a(NO-LaBS)14031516(bibid)
*035  $a(NO-TrBIB)020983840
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*1001 $aHelpman, Elhanan$0(NO-TrBIB)90269017$_16033100
*24510$aAdjusting to a new technology :$bexperience and training$cElhanen Helpman, Antonio Rangel
*260  $aCambridge, Mass.$bNational Bureau of Economic Research$c1998
*300  $a43 s.
*4901 $aNBER working paper series$v6551
*7001 $aRangel, Antonio$0(NO-TrBIB)2052657$_28303200
*830 0$aWorking paper series (National Bureau of Economic Research : trykt utg.)$x0898-2937$v6551$w999105437124702201$_13074900
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*999  $aoai:nb.bibsys.no:990209838404702202$b2021-11-14T19:57:43Z$z990209838404702202
^