Blake, Roy. <br/><br/>
Electronic communication systems /  
Roy Blake. 
 - 2nd ed /   . 
 - New Delhi :   Cengage Learning ,   2012. 
 - xx,963p. :   figure ;   24cm .  
<br/><br/>includes index 
<br/><br/><label>ISBN: </label>9788131518410  RS599.00 
<br/><br/><label>Subjects--Index Terms: </label>COMMUNICATION ENGINEERING ELECTRONIC COMMUNICATION 
<br/><br/><label>Dewey Class. No.: </label>621.382  / BLA/E