TY  - BOOK
AU  - Davison,W.Phillips
AU  - Boylan,James
AU  - Yu,Frederick T.C.(Frederick Teh-Chi),1921-
TI  - Mass media: systems and effects
SN  - 0030524814
PY  - 1982///
CY  - Rinehart and Winston, New York
PB  - Holt
KW  - Mass media
KW  - Social aspects
N1  - Bibliography: p-230-252. - Includes index
ER  -