Viswanathan, T <br/><br/>
Telecomunication switching systems and networks 

 - New Delhi  :  Pearson Education,  2008. 
 - 0 
<br/><br/><label>ISBN: </label>81-203-0713-1 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electrical Electronics Communication,
<br/><br/><label>Dewey Class. No.: </label>621.382  / VIS