00349nam a2200145Ia 4500008004100000041000800041082001600049100001300065245004000078250001300118260003500131300000800166365001600174700001300190230718s9999    xx            000 0 und d  aeng  a621.38bHOR  aHorak R.  aCommunications Systems And Networks  a2 nd ed.  c2000bIDG books India (P) Ltd.  a692  cRs.b329.00  aHorak R.