00392nam a2200145Ia 4500008004100000020001500041041001200056082001600068100001200084245007800096250000800174260004000182300000800222650001600230221030s9999    xx            000 0 und d  a8178089734  aEnglish  a105.23bCol  aM. Cole 0aIntroduction to Telecommunicaitons Voice, Data & the Internetcby M. Cole  a2nd  bPearson  EducationaNew Delhic2003  a608  aBE Computer