TY  - BOOK
AU  - Wimmer,Roger D.
AU  - Dominick,Joseph R.
TI  - Mass media research: an introduction 
SN  - 0534560075
U1  - 302.23072 
PY  - 2000///
CY  - Belmont, Calif.
PB  - Wadsworth
KW  - Mass media
KW  - Research
ER  -