Pitroda, S G  <br/><br/>
Collection of articles about digital switching  

 - New Delhi:   Centre for Development of Telematics,   1992 
 - 62p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Telecommunications
<br/><br/><label>Universal Decimal Class. No.: </label>621.39.037.37(081)   / N3