00348nam a2200133Ia 4500008004100000020001500041041001200056082001600068100001700084245005000101260003900151300000800190650001600198221030s9999    xx            000 0 und d  a8178086824  aEnglish  a105.23bSta  aW. Stallings 0aBusiness Data Communicationscby W. Stallings  bPearson EducationaNew Delhic2002  a659  aBE Computer