00321nam a2200121Ia 4500008004100000040001600041041001200057082001600069100002500085245004500110260003100155300001300186230917s9999||||xx |||||||||||||| ||und||  e20116aMAIN  aEnglish  a070.1 G313M  aGerbner, George, ed. 0aMass media policies in changing cultures  aNew YorkbJohn Wileyc1977  ax,291 p.