00346nam a2200121Ia 4500008004100000082001800041100002200059245003800081250000900119260002500128300000600153650006500159150614s9999    xx            000 0 und d  a302.23  KLA-E  aKlapper Joseph T.  aThe Effects of Mass Communication  aI ED  bThe Free Pressc1960  a0  aThe Effects of Mass Communication Klapper Joseph T.Sociology