Viswanathan, Thiagarajan <br/><br/>
Telecommunication switching systems and networks / 
Thiagarajan Viswanathan 
 -  Eastern economy edition 
 - New Delhi:   Prentice Hall of India Private Ltd.,  c1992. 
 - xx,583p.:   illustrations;   24 cm. 
<br/><br/> Includes Index. 
<br/><br/>
<br/><br/><br/>english 
<br/><br/><label>ISBN: </label>8120307135 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Telecommunication--Switching systems<br/>Telecommunication systems<br/>Telephone systems<br/>Data transmission systems<br/>Integrated services digital networks
<br/><br/><label>Dewey Class. No.: </label>621.382/VIT