TY  - BOOK
AU  - Defleur, Melvin Lawrence
AU  - Ball-Rokeach, Sandra J.
TI  - Theories of mass communication
SN  - 0582998700
AV  - HM258 .D35 1988
PY  - 1989///
CY  - London
PB  - Longman
KW  - Mass media social-aspects-history
N1  - Includes bibliography and index
ER  -