Roddy, Dennis Coolen, John  <br/><br/>
Electronic communications  

 - 4th  
 - Pearson education asia   Delhi   2003 
 -  350 
<br/><br/><label>ISBN: </label>81-297-0106-5  
<br/><br/><label>Subjects--Topical Terms: </label><br/>COMMUNICATION SYSTEM 
<br/><br/><label>Dewey Class. No.: </label>621.382 ROD