TY  - BOOK
AU  - Davison,W.Phillips
AU  - Boylan,James R
AU  - Yu,Frederick T.C.,1921-
TI  - Mass media: systems and effects
SN  - 0275336808
PY  - 1976///
CY  - Praeger : New York
KW  - Mass media
KW  - Social aspects
KW  - Communication
N1  - Bibliography: p. 220-234
ER  -