Communication [and] broadcasting 

 - Essex :  Marconi Co.,  1974- 
 - v. 
<br/><br/><label>ISSN: </label>0305-3601 
 = Communication [and] broadcasting 
 = Commun. broadcast. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>COMUNICACION<br/>RADIO<br/>TELEVISION
<br/><br/><label>Universal Decimal Class. No.: </label>621.39