Bellamy.J <br/><br/>
Digital telephony 

 - New Delhi  :  Wiley Pub,  200. 
 - 0 
<br/><br/><label>ISBN: </label>981-41-2635-7 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electrical Electronics Communication,
<br/><br/><label>Dewey Class. No.: </label>621.385  / BEL