00491nam a2200157Ia 4500008004100000020001800041082001400059100002400073245006400097250000800161260004200169300003200211500001900243600002100262650005000283240925s9999    xx            000 0 und d  a9788177589276  a004.6 COM  aComer ,Douglas   E. 0aComputer Networks and Internets: with internet applications  a4th  aNew Delhi:bPearson Educationc,2008.  axxvi,901l.p.bN.AfOriginal  aIncludes Index  aComputer Science  aComputer science, information & general works