00370nam a2200133Ia 450000500170000000800410001708200180005810000220007624500430009825000120014126000410015330000090019465000330020320240821155554.0240821s9999||||xx |||||||||||||| ||und||  a301.16072 RES  aStempel, Guido H. 0aResearch methods in mass communication  a2nd ed.  aNew JerseybPrentice-Hall Inc.c1989  a418p  aSociology/ Social psychology