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100   $a20030910d1992----km-y0itay50------ba
101 0 $aita
102   $aIT
200 1 $aEmpirical Measurement and Analysis of Productivity and Technological Change$eApplications in High-Technology and Service Industries$fJ. R. Norsworthy, S. L. Jang.
210   $aAmsterdam$cNorth-Holland$d1992.
215   $aXVIII, 318 p.$d24 cm
225 1 $aContributions to economic analysis$v211
610 0 $aImprese ad alta tecnologia$aMisurazione della produttivitą
610 0 $aInnovazioni tecnologiche e produttivitą
610 0 $aServizi$aMisurazione della produttivitą
676   $aG/1.12
702  1$aJang,$bShow-Ling
702  1$aNorsworthy,$bJohn R.
801  0$aIT$bUNINA$gRICA$2UNIMARC
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912   $a990003067750403321
952   $aG/1.12 NOR$b12512$fSES
952   $aL6.40$b292$fDECTS
959   $aDECTS
959   $aSES
996   $aEmpirical Measurement and Analysis of Productivity and Technological Change$9465108
997   $aUNINA