Kennedy', George  & Davis, Bernard <br/><br/>
Kennedy's electronic communication system  

 - 5th ed . 
 - Tata McGraw Hill  New Delhi  2011 
 - xix, 630 
<br/><br/>
<br/><br/><br/>E 
<br/><br/><label>Universal Decimal Class. No.: </label>621.380413 Ken/Dav