TY  - BOOK
AU  - Agee,Warren K.
AU  - Ault,Phillip H.
AU  - Emergy,Edwin
TI  - Introduction to mass communications
SN  - 0060401753
PY  - 1982///
CY  - New York
PB  - Harper & Row
KW  - Mass media
N1  - Includes index and bibliography : p. 438- 476
ER  -