Lee, Edward A.,  <br/><br/>
Digital Communication  

 - 2nd ed.  
 - New Delhi :  Allied Publishers Limited,   c1994.  
 - 893 p.:  [E2] [8-C] 
<br/><br/><label>ISBN: </label>8170235243 
<br/><br/><label>Dewey Class. No.: </label>621.382  / LEE/DIG