Roberts, R. S. <br/><br/>
Dictionary of audio, radio, and video / 
R.S. Roberts. 
 - London ;   Boston :   Butterworths ,  © 1981. 
 - 248 p. :  illustrations ;  23 cm. 
<br/><br/><label>ISBN: </label>0408003391 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sound --Recording and reproducing--Dictionaries.<br/>Radio--Dictionaries.<br/> Television--Dictionaries.