TY  - BOOK
AU  - Vogel,Robert A.
AU  - Krabbe,Mark A.
TI  - Mass communication
SN  - 0846576015
PY  - 1977///
CY  - Calif
PB  - Cummings Pub. Co. : Menlo Park
KW  - Mass media
KW  - United States
ER  -