Encyclopedia of radio and television  
/ Odhams Press Limited 
 - London:   Odhams Press Limited,  
 - 768p.  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Radio 
<br/><br/><label>Subjects--Index Terms: </label>Television  Technology  
<br/><br/><label>Universal Decimal Class. No.: </label>R 621.396/.397  / J0