Abbot, Waldo  <br/><br/>
Handbook of broadcasting 

 - 3 ed. 
 - New York :   McGraw-Hill,   c1937,1950 
 - 494 p 
<br/><br/><label>Subjects--Topical Terms: </label><br/>radiocomunicación<br/>comunicación-medios
<br/><br/><label>Dewey Class. No.: </label>384.5400 Ab2h3