Viswanathan, Thiagarajan <br/><br/>
Telecommunication switching systems and networks / 
Thiagarajan Viswanathan 
 - New Delhi :  PHI Learning Private Limited,  c1992. 
 - xi, 583 p. :  ill. ;  24 cm. 
<br/><br/> Includes index. 
<br/><br/>
<br/><br/><label>ISBN: </label>9788120307131 8120307135 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Telecommunication--Systems and networks
<br/><br/><label>Dewey Class. No.: </label>621.382  / VIT