Deshpande.N.D  D.A.Deshpande  P.K.Rangole <br/><br/>
Communication Electronics 

 - New Delhi  McGraw Hill  
 - 418 
<br/><br/><label>ISBN: </label>0-07-451598-5 
<br/><br/><label>Dewey Class. No.: </label>621.382 DES