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

 - 3RD 
 - NEWYORK  JOHN WILEY  1995 
 - 692P 
<br/><br/><label>ISBN: </label>0-471-97517-6 
<br/><br/><label>Dewey Class. No.: </label>621.382 HEL'D