TY  - BOOK
AU  - Agee,Warren K.
AU  - Ault,Phillip H.
AU  - Emery,Edwin
TI  - Introduction to mass communications
SN  - 0673980820
U1  - 302.23 AGE 
PY  - 1997///
CY  - New York : 
PB  - Longman, 
KW  - Mass media
N1  - Includes bibliographical references (p. 525-561) and index
ER  -