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*019  $bl
*035  $a(EXLNZ-47BIBSYS_NETWORK)990209957684702201
*035  $a(NO-LaBS)14003562(bibid)
*035  $a(NO-TrBIB)020995768
*035  $a020995768-47bibsys_network
*040  $aNO-TrBIB$bnob$ekatreg
*24504$aThe patent paradox revisited :$bdeterminants of patenting in the US semiconductor industry, 1980-94
*260  $aCambridge, Mass.$bNBER$c1999
*300  $a42 s.
*4901 $aNBER working paper series$v7062
*7001 $aHall, Bronwyn H.$_21441700
*7001 $aHam, Rose Marie$_61262800
*7102 $aNational Bureau of Economic Research (Forente Stater)$_13074800
*830 0$aWorking paper series (National Bureau of Economic Research : trykt utg.)$x0898-2937$v7062$w999105437124702201$_13074900
*901  $a60
*999  $aoai:nb.bibsys.no:990209957684702202$b2021-11-14T20:12:20Z$z990209957684702202
^