Talib, Herbert and Schilling, Donald L. <br/><br/>
Principles of communication system 

 - 2nd ed. 
 - New Delhi  Tata McGraw Hill  1986 
<br/><br/><label>ISBN: </label>74624563 
<br/><br/><label>Dewey Class. No.: </label>621.38  / N86 TAL S