BELLAMY, JOHN C. <br/><br/>
DIGITAL TELEPHONY. 

 - 3rd ed.  2011 
 - NEW DELHI  WILEY INDIA (P) LTD. 
 - 643 
<br/><br/><label>Subjects--Topical Terms: </label><br/>  DIGITAL TECHNOLOGY
<br/><br/><label>Dewey Class. No.: </label>621.385.385  / BEL