Sharma Sanjay.  <br/><br/>
Comminication systems (analog and digital) 

 - 4th edition. 
 - New delhi :   Katson Books S K Katariya   2012 
 - 485.  
<br/><br/><label>ISBN: </label>81-88458-20-1  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Engineering,
<br/><br/><label>Dewey Class. No.: </label>621.382  / SHA