Viswanathan, Thiagarajan <br/><br/>
Telecommunication Switching Systems and Networks / 
Thiagarajan Viswanathan, Manav Bhatnagar. 
 - 2nd ed. 
 - Delhi :  PHI Learning,  c2015 
 - xx, 620 p. :  ill. ;  24 cm. 
<br/><br/>Includes index 
<br/><br/><label>ISBN: </label>9788120350830 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Telecommunication systems<br/>Telephone systems
<br/><br/><label>Dewey Class. No.: </label>621.382  / VIT 2015