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

 - New Delhi:   Prentice Hall of India,   1992 
 - xi, 583p. 
<br/><br/><label>Subjects--Topical Terms: </label>
<br/><br/><label>Universal Decimal Class. No.: </label>621.395.122+621.74  / N1