00330nam a2200133Ia 4500100002000000650002600020366000700046654002500053245006200078260001400140082001700154300000800171546001700179  aKarna/Satish K   aCommunication systems  f20  acommunication system  aCommunication systems:Theory problems and solutions.MCQ's  bCBSc2008  a621.382bKAR  a545  aENGLISHcTTL