00315nam a2200109Ia 4500008004100000082001400041245005100055260004100106300001000147600002500157650002300182130903s9999    xx            000 0 und d  a659.3  K5  aThe process and effects of mass communication.  aUrbanabUniversity of Illinoisc1965  a586p.  aSchramm, Wilbur, ed.  aMass communication