00347nam a2200145Ia 4500008004100000041000800041082001600049100001300065245003900078250001200117260003500129300000800164365001600172700001300188230718s9999    xx            000 0 und d  aeng  a621.38bHOR  aHorak R.  aCommuniations Systems And Networks  a2nd ed.  c2000bIDG books India (P) Ltd.  a796  cRs.b329.00  aHorak R.