International encyclopedia of communications / 
Erik Barnouw, editor-in-chief ... [et al.]. 
 - New York ;  Oxford University Press,  c1989. 
 - 4 v. : 
<br/><br/> "Published jointly with the Annenburg School of Communications, University of Pennsylvania.--Includes bibliographies and index. 
<br/><br/><label>ISBN: </label>0195049942 (set : alk. paper) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Communication-Encyclopedias.------
<br/><br/><label>Dewey Class. No.: </label>001.510321  / In