00817nam0-22002531i-450-990002712090403321000271209FED01000271209(Aleph)000271209FED0100027120920000920d--------km-y0itay50------baENGPersonal influence .The Part Played by People in the Flow of Mass Communications.b y Katz E. e Lazarsfeld P.Glencoe IllinoisThe Free PressKatz,Elihu111194Lazarsfeld,Paul Felix<1901-1976>ITUNINARICAUNIMARCBK9900027120904033214-6-84ITA 93ECAECAPersonal influence .The Part Played by People in the Flow of Mass Communications426420UNINAING01