TY  - BOOK
AU  - Katz, Elihu 
AU  - Lazarsfeld, Paul F.
TI  - Personal influence: the part played by people in the flow of mass communications
T2  - Foundations of communications research
U1  - 301.16 
PY  - 1955///
CY  - New York
PB  - The Free
N1  - Includes bibliographical references and index
ER  -