TY  - BOOK
AU  - Becker, Samuel L.
AU  - Roberts, Churchill Lee
TI  - Discovering mass communication
SN  - 0-673-46119-X
AV  - P90 .B42 1992
PY  - 1992///
CY  - New York
PB  - HarperCollins
KW  - Mass media
N1  - Includes bibliographical references and index
ER  -