TY  - BOOK
AU  - DeFleur,Melvin L.
AU  - Dennis, Everette E. 
TI  - Understanding mass communication
SN  - 0395472725
U1  - 384 
PY  - 1991///
CY  - Boston
PB  - Houghton Mifflin
KW  - Mass media
N1  - Includes bibliographical references and index
ER  -