000 00415nam a2200145Ia 4500
008 190802s9999 xx 000 0 und d
020 _a9781412805070
100 _aKatz, E
245 0 _aPersonal influence: The part played by people in the flow of mass communications
260 _aLondon
_bRoutledge
_c1955
300 _axxxiv, 400p.
650 _aMass media
650 _aMass media
700 _aLazarsfeld, P. F
999 _c40297
_d40297