TY  - BOOK
AU  - Wimmer,Roger D.
AU  - Dominick,Joseph R.
TI  - Mass media research: an introduction 
T2  - Wadsworth series in mass communication
SN  - 0534139620
AV  - P91.3   .W47 1991
PY  - 1991///
CY  - Belmont, Calif.
PB  - Wadsworth Pub. Co., 
KW  - Mass media
KW  - Research
N1  - Includes bibliographical references and indexes
ER  -