TY  - ABST
T1  - Communications research, 1948-1949
DA  - 1949.
CY  - New York :
AU  - Lazarsfeld, Paul F.,
AU  - Stanton, Frank,
CN  - P90
CN  - P90
PB  - Harper,
PP  - New York :
PY  - 1949.
ID  - 104514
KW  - Radio broadcasting.
KW  - Mass media.
KW  - Communication.
TI  - Communications research, 1948-1949
ER  -