Viswanathan, Thiagrajan <br/><br/>
Telecommunication switching systems and networks 
Viswanathan, Thiagrajan 
 - New Delhi:  Prentice-Hall of India Pvt. Ltd.,  1992. 
 - xx, 583 p. :  il. ;  24 cm. 
<br/><br/> Includes Index 
<br/><br/><label>ISBN: </label>8120307135