John Graham <br/><br/>
Dictionary of telecommunications 

 -  London  Panguin books  1983 
 - 200p  pb 
 - Dictionary of telecommunications .
<br/><br/><br/>En 
<br/><br/><label>Subjects--Personal Names: </label><br/>Electronics
<br/><br/><label>Dewey Class. No.: </label>621.3803  / GRA