Rao, Ramakrishna. <br/><br/>
Digital communication 

 - New Delhi :  Tmh,  1994 
 - 577. 
<br/><br/><label>ISBN: </label>9780070707764  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Applied physics
<br/><br/><label>Dewey Class. No.: </label>621.382  / RAO