TY  - BOOK
AU  - Biagi,Shirley
TI  - Media impact: an introduction to mass media 
SN  - 0534162428 (acidfree paper)
AV  - P 90 B52M 1992
PY  - 1992///
CY  - Belmont, Calif.
PB  - Wadsworth Pub.
KW  - MASS MEDIA
N1  - Includes bibliographical references and index
ER  -