TY - BOOK AU - Katz,Elihu AU - Lazarsfeld,Paul Felix ED - Columbia University. TI - Personal influence: the part played by people in the flow of mass communications T2 - Foundations of communications research PY - 1955/// CY - New York PB - Free Press KW - Public opinion KW - Local KW - Communication N1 - "Free Press Paperback Edition."; "A report of the Bureau of Applied Social Research, Columbia University."; Bibliography: p. 381-393 ER -