00378nam a2200133Ia 4500008004100000020001500041041001200056082001600068100001200084245008300096260003600179300000800215650002100223221030s9999    xx            000 0 und d  a8178083132  aEnglish  a105.23bCol  aM. Cole 0aIntroduction to Telecommunications Voice, data & the Internet ( DEPARTMENTAL )  bAddison WesleyaNew Delhic2001  a592  aECE Departmental