01004nas 22003613a 450 99633579200331620230203213020.01079-669X(OCoLC)31476932(CKB)110994177246018(CONSER)sn-94003049-(EXLCZ)9911099417724601819941117a19949999 --- aengurcnu||||||||txtrdacontentcrdamediacrrdacarrierCommunications todayPotomac, MD Phillips Business Information, Inc1084-9386 Commun. todayTelecommunicationPeriodicalsTelecommunicationfast(OCoLC)fst01145830Periodicals.fastTransportation EconomicsTelecommunicationTelecommunication.384JOURNAL996335792003316Communications today2330883UNISA