TY  - BOOK
AU  - DeFleur, Melvin L.
AU  - Dennis, Everette E.
TI  - Understanding mass communication
SN  - 0395369061
U1  - 302.23 
PY  - 1988///
CY  - Boston
PB  - Houghton Mifflin Company
KW  - Mass media
KW  - Social aspects
N1  - Includes bibliographical references and index
ER  -