00346nam a2200133Ia 4500008004100000020001500041041001200056082001600068100001600084245006300100260002500163300000800188650001600196221030s9999    xx            000 0 und d  a8120309251  aEnglish  a105.23bBla  aU. D. Black 0aData Communications & Distributed Networkscby U. D. Black  bPHIaNew Delhic2001  a426  aBE Computer