Viswanathan, Thiagarajan <br/><br/>
Telecommunication switching systems and networks 

 - Prentice-Hall of India, New Delhi  2001 
 - xx,583 
<br/><br/><label>ISBN: </label>81-203-0713-5 
<br/><br/><label>Dewey Class. No.: </label>621.38 Vis