Berelson, Bernard,  1912- <br/><br/>
Content analysis in communication research 
by Bernard Berelson 
 - New York  Hafner Press  1952 
 - 220 p. : ill. ; 22 cm. 
<br/><br/> 'A revision and expansion of the author's The analysis of communication content, issued in mimeographed form in 1948.' 
<br/><br/>p. 199-220 
<br/><br/><label>LCCN: </label>71-152254 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Content analysis (Communication)