00473nam a2200157Ia 4500008004100000020001400041082001400055100002400069245006300093250000800156260004500164300002800209500000700237600002100244650005000265240925s9999    xx            000 0 und d  a130935816  a004.6 COM  aComer ,Douglas   E. 0aComputer Networks and Internets: with internet application  a3rd  aNew Jersey:bPrintice- Hall Int.c,2001.  axxx,547p.bNAfOriginal  aNA  aComputer Science  aComputer science, information & general works