Gnanasivam, P. <br/><br/>
Telecommunication switching and networks / 
P. Gananasivam  
 - Kolkata:   New Age International Pub.  2006 
<br/><br/><label>ISBN: </label>812241950X  180.00 
<br/><br/><label>Dewey Class. No.: </label>621.382  / G571