TY  - BOOK
AU  - Wimmer Roger D
AU  -  Dominick Joseph R
TI  - Mass media research:  An introduction   
T2  - Wadsworth Series in MAss Communication
U1  - Y:393b4, M3 
PY  - 1983///
CY  - Belmont
PB  - Wadsworth Publishing         
KW  - Social Communication
N1  - Bibliography chapterwise
ER  -