00471nam a2200157Ia 4500008004100000020001800041082001400059100001900073245005500092250000700147260004600154300002300200500001900223600002100242650005000263240925s9999    xx            000 0 und d  a9788131709306  a004.6 TOM  aTomasi , Wayne 0aIntroduction to Data Communications and Networking  aNA  aNew Delhi:bPearson Printice Hallc,2005.  a75p.bNAfOriginal  aIncludes Index  aComputer Science  aComputer science, information & general works