Viswanathan, Thiagarajan.  <br/><br/>
Telecommunication switching systems and networks / 
Thiagarajan Viswanathan.  
 - New Delhi :  Prentice Hall of India Private Ltd.,  1992.[printing 2004]  
 - xx, 583 p. :  ill. ;  21 cm.  
<br/><br/>Includes bibliographical references  and index. 
<br/><br/><label>ISBN: </label>8120307135 0876927134  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Telecommunication--Switching systems. <br/>Telecommunication systems. 
<br/><br/><label>Dewey Class. No.: </label>621.382