Davison, W. Phillips  1918- <br/><br/>
Mass media  systems and effects 
W. Phillips Davison, James R. Boylan, Frederick T. C. Yu 
 - Praeger : New York  1976 
 - ix, 245 p. : ill. ; 24 cm. 
<br/><br/>Bibliography: p. 220-234. 
<br/><br/><label>ISBN: </label>0275336808 
<br/><br/><label>LCCN: </label>74-031000 //r862 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mass media--Social aspects<br/>Communication--Social aspects