Viswanathan, Thiagarajan <br/><br/>
Telecommunications switching systems a networks 

 -  New Delhi : PHI,  1992 
 - xx+583 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Telecommunications Switching systems
<br/><br/><label>Dewey Class. No.: </label>621.381537  VIS;7