Gilbert Held <br/><br/>
Dictionary of communications technology:terms,definitions and abbreviations 

 - 2nd ed 
 - John Wiley, New York  1995 
 - viii,501p 
<br/><br/><label>ISBN: </label>0-471-95126-9 
<br/><br/><label>Dewey Class. No.: </label>384.03 Hel