Thiagarajan Visuvanathan <br/><br/>
Tele Communication Switching Systems 

 - 3rd 
 - New Delhi  PHI Learning  2010 
 - 583p.  Rs:275 
 - 23036 .
<br/><br/><label>ISBN: </label>9788120307131 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Tele Communication
<br/><br/><label>Dewey Class. No.: </label>621.382