Viswanathan, Thiagarajan3879 <br/><br/>
Telecommuncation switching systems and networks 

 - New Delhi  Prentice Hall  1992 
 - 583p. 
<br/><br/><label>ISBN: </label>8120307135 
<br/><br/><label>Subjects--Index Terms: </label>Telecommunication- networks  621.395.345 
<br/><br/><label>Dewey Class. No.: </label>621.395.345  / VIS