T. Viswanathan <br/><br/>
Telecommunication Switching Systems & Networks 
by T. Viswanathan 
 - New Delhi  PHI  2011 
 - 583 
<br/><br/><label>ISBN: </label>8120307131 
<br/><br/><label>Subjects--Topical Terms: </label><br/>ECE
<br/><br/><label>Dewey Class. No.: </label>105.23