Viswanathan, Thiagarajan  <br/><br/>
Telecommunication switching systems and networks 
Thiagarajan Viswanathan 
 -  c.1992 
<br/><br/><label>ISBN: </label>8120307135 
<br/><br/><label>Subjects--Topical Terms: </label> MS Communication --MSCom
<br/><br/><label>Dewey Class. No.: </label>621.38 VIS