TY  - BOOK
AU  - Wimmer,Roger D.
AU  - Dominick,Joseph R.
TI  - Mass media research: an introduction 
SN  - 0534139620
PY  - 1991///
CY  - Belmont, Ca.
PB  - Wadsworth Publishing Co.
KW  - Mass media
KW  - Research
N1  - Includes index
ER  -