Codding, George Arthur <br/><br/>
Broadcasting without barriers / 
George A. Codding 
 - Paris :  Unesco,  1959 
 - 167 p. :  ill. ;  24 cm. 
<br/><br/>Includes bibliographies 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Radio broadcasting<br/>Radio--Apparatus and supplies<br/>Radio frequency allocation