Developments in Radio-frequency techniques  
/ Independent Broadcasting Authority. 
 - London  Independent Broadcasting Authority  1982. 
 - 84p.  ill.(some col.)  23cm. 
 - IBA Technical Review .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Radio<br/>Telegraph, Wireless
<br/><br/><label>Dewey Class. No.: </label>621.384109034 DEV 1982