00462nam a2200157Ia 4500008004100000020001500041082001600056100001700072245006900089250000800158260004200166300002800208500001900236600003400255650001500289240925s9999    xx            000 0 und d  a8178089734  a621.382 COL  aCole, Marion 0aInteroduction to Telecommunications: voice data and the internet  a2nd  aNew Delhi:bPearson Educationc,2003.  axiv,343p.bNAfOriginal  aIncludes Index  aTelecommunication Engineering  aTechnology