00370nam a2200145Ia 4500008004100000020001500041041000800056082001600064100002100080245004300101250000600144260003900150300001300189650002200202210716s2002    xx            000 0 und d  a8178089955  aeng  a004.65 DODA  aDodd, Annabel Z.  aEssential guide to telecommunications.  a3  aNew DelhibPearson Educationc2002  axxiv,500  aComputer Networks