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100   $a20030910d1983----km-y0itay50------ba
101 0 $aeng
102   $aUS
105   $aa-------001yy
200 1 $aBreaking up Bell$eessays on industrial organization and regulation$fedited by David S. Evans$gwith contributions by Robert Bornholz...[et al.]
210   $aNew York$cNorth-Holland$dc1983
215   $aXIV, 298 p.$d24 cm
225 1 $a<<A >>CERA research study
610 0 $aImprese$aOrganizzazione
610 0 $aMonopoli e controllo statale
610 0 $aTelecomunicazioni$aStati Uniti d'America
702  1$aEvans,$bDavid S.
702  1$aBornholz,$bRobert
801  0$aIT$bUNINA$gRICA$2UNIMARC
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959   $aSES
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997   $aUNINA