Telecom Video Productions. <br/><br/>
The busy ray -- laser communications  [VHS Tapes]. 
Telecom video productions. 
<br/><br/><label>ISBN: </label> 0.00 
<br/><br/><label>Subjects--Personal Names: </label><br/>Lasers communications.
<br/><br/><label>Dewey Class. No.: </label>TK/5103.6  / TEL