TY  - BOOK
AU  - DeFleur, Melvin L.
AU  - Dennis Everette E.
TI  - Understanding Mass Communication
SN  - 0395472725
U1  - 301.243 
PY  - 1991///
CY  - Boston
PB  - Houghton Mifflin Company
KW  - Communication -- Tools
KW  - Mass communication -- media
KW  - Social changes -- science -- theology
ER  -