Sturmey, S. G. <br/><br/>
The economic development of radio /    
S.G. Sturmey. 
 - London :   G. Duckworth,   1958. 
 - 284 p. ;    23 cm. 
 - Industrial innovation series.   .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Radio ----Great Britain.----
<br/><br/><label>Dewey Class. No.: </label>384.5