00391nam a2200145Ia 4500008004100000020001800041041000800059082001700067100001300084245005600097260001500153300004700168365001700215700001300232230718s9999    xx            000 0 und d  a9780470041413  aeng  a621.382bHOR  aHorak R.  aTelecommunications And Data Communications Handbook  bJohn Wiley  dRef 1006 E (29106), Ref 1328  E ME (38768)  cRs.b4178.00  aHorak R.