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200 1 $aMapping and measuring the information economy$ea report produced for the economic and social research council's programme of information and communication technologies$fIan Miles$gwith contributions fron Tim Brady ...[et al.]
210   $aBoston$cBritish Library Board$dc1990
215   $aIX, 275 p.$d21 cm
225 2 $aLibrary and information research report$v77
410  1$12001$aLibrary and information research report$v77
606   $aComunicazione$2BNCF
676   $a302.2
700  1$aMILES,$bIan$032843
702  1$aBRADY,$bTim
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996   $aMapping and measuring the information economy$91144093
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