Viswanathan, Thiagarajan. <br/><br/>
Telecommunications switching systems and networks 

 - New Delhi  PHI  1997 
<br/><br/><label>ISBN: </label>8120307135 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Telecommunications,switching,networks
<br/><br/><label>Dewey Class. No.: </label>621.381537  VIS;21