Viswanathan Thiagarajan <br/><br/>
Telecommunication switching systems and networks 
Viswanathan Thiagarajan; Bhatnagar Manav 
 - 2nd 
 - Delhi  PHI Learning        2015 
 - xx;620p.  cm. 
<br/><br/><label>ISBN: </label> 790 
<br/><br/><label>Standard No.: </label>128146 
<br/><br/><label>Source: </label> 121, 04/12/2015, Excel Book International  Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>I I C
<br/><br/><label>Dewey Class. No.: </label>D65,4, Q5;1-2