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200 1 $aTraditional telecommunications networks$fedited by Gary Madden
210   $aCheltenham$aNorthampton$cEdward Elgar,
215   $av.$d24 cm
463 \1$1001990005409190203316$12001 $a<<Vol. 1:The>> international handbook of telecomunications economics
606   $aTelecomunicazioni$2FI
620   $dCheltenham
620   $dNorthampton ( Massachusetts)
676   $a384$cAltri sistemi di comunicazioni - Telecomunicazioni$v21
702  1$aMADDEN,$bGary
712   $aEdward Elgar
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