Barnouw, Erik <br/><br/>
Mass communication :  television, radio, film, press ; the media and their practice in the United States of America / 
Erik Barnouw 
 - New York :  Rinehart,  1956 
 - 4 p.l., 280 p. :  tables, diagrs. ;  21 cm. 
<br/><br/> Bibliiography at end of each chapter 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electronic mail systems--Evaluation<br/>Wireless communication systems
<br/><br/><label>Dewey Class. No.: </label>131