00646nam a2200181Ia 4500003000400000005001700004008004100021020001800062028007500080082001600155100001700171245008200188250001200270260002300282300001400305350000800319655013700327SNU20140304225543.0120327s9999 xx 000 0 und d a9788131705063 aAllied Publisher and DistributorbChennaicMA/2010/CR/2500d27/12/2010 a621.382 COL aCole, Marion aIntroduction to TelecommunicationbVoice, Data, and the InternetcMarion Cole a2nd ed. bPearsonaNew Delhi axvi;608p. a450 bElectronic Engineeringb, Telecommunicationb, Communication Systemb, Telecommunication Mediumb, and Voice, Data, and the Internet