TY  - BOOK
AU  - Hiebert Ray Eldon
AU  - Ungurait,Donald F.
AU  - Bohn Thomas W
TI  - Mass media: an introduction to modern communication 
SN  - 0679302379  
AV  - P90 
U1  - 301.16 
PY  - 1974///]
CY  - New York
PB  - McKay
KW  - Communication
KW  - Mass media
N1  - Includes index; Bibliography: p. 445-482
ER  -