Roden, M S <br/><br/>
Analog and digital communication systems 
by Roden, M S 
 - 3 
 - New Delhi  Prentice hall   1994 
<br/><br/><label>ISBN: </label>8120308506 
<br/><br/><label>Dewey Class. No.: </label>025.04 ROD/ANA-3