Frenzel, Louis E .
Principles of electronic communication systems / - 3 / - New Delhi : Tata Mc-Graw Hill Publishing Company , 2008. -
621.382 / FRE/PR
Principles of electronic communication systems / - 3 / - New Delhi : Tata Mc-Graw Hill Publishing Company , 2008. -
621.382 / FRE/PR