00370nam a2200133Ia 4500008004100000082001400041100001600055245002800071260004600099300000800145650004800153650002000201653001500221170901s1968    xx            000 0 und d  a384bC24M  aCasty, Alan 0aMass Media and Mass Man  aNew YorkbHolt,Rinehart and Winstonc1968  a260  aCommerce, communications and Transportation  aSocial sciences  aMass media