Schramm, Wilbur Lang,  1907- <br/><br/>
The process and effects of mass communication. 
edited by Wilbur S chramm and Donald F. Roberts. 
 - Rev. ed. 
 - Urbana :  University of Illinois Press,  [1971] 
 - ix, 997 p. :  ill. ;  24 cm. 
<br/><br/>Includes Bibliographical references (p. [967]-979). 
<br/><br/><label>ISBN: </label>0252001974 
<br/><br/><label>LCCN: </label>74-152000 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mass media.
<br/><br/><label>Dewey Class. No.: </label>301.16 SCHR