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*008020429s1996    xxu           000 u eng d
*00900732cam a22002177c 4500
*019  $bl
*035  $a(EXLNZ-47BIBSYS_NETWORK)990209533134702201
*035  $a(NO-LaBS)14691661(bibid)
*035  $a(NO-TrBIB)020953313
*035  $a020953313-47bibsys_network
*040  $aNO-TrBIB$bnob$ekatreg
*24500$aDiffusion of general purpose technologies
*260  $aCambridge, Mass.$bNBER$c1996
*300  $a37,[7] s.
*4901 $aNBER working paper series$v5773
*7001 $aHelpman, Elhanan$_63485100
*7001 $aTrajtenberg, Manuel$_22554800
*7102 $aNational Bureau of Economic Research (Forente Stater)$_13074800
*830 0$aWorking paper series (National Bureau of Economic Research : trykt utg.)$x0898-2937$v5773$w999105437124702201$_13074900
*901  $a60
*999  $aoai:nb.bibsys.no:990209533134702202$b2021-11-14T20:26:57Z$z990209533134702202
^