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

 - 4th  
 - Prentice hall of india   New Delhi   1995 
 -  275 
<br/><br/><label>ISBN: </label>81-203-0984-7  
<br/><br/><label>Subjects--Topical Terms: </label><br/>COMMUNICATION SYSTEM 
<br/><br/><label>Dewey Class. No.: </label>621.382 ROD