00298nam a2200121Ia 4500008004100000020001500041041001200056100001200068245003400080260003800114300000800152650001600160221030s9999    xx            000 0 und d  a8131509869  aEnglish  aM. Dave 0aComputer Networkscby M. Dave  bCengage LearningaNew Delhic2012  a400  aBE Computer