Worth, Tobia L. (ed) <br/><br/>
International encyclopedia of communications; Vol-1 

 - New York  Oxford University Press  1989 
 - 462  Hb  28.5cm 
<br/><br/><label>ISBN: </label>0-19-505802-X 
<br/><br/><label>Subjects--Facted Index Terms: </label><br/>
<br/><br/><label>Dewey Class. No.: </label>R006.03