00506nam a2200169Ia 450000100060000000800410000602000180004704000130006508200200007810000170009824501110011526000330022630000110025954600070027065000380027770000210031528213140415s9999    xx            000 0 und d  a0-415-03604-6  cPK-LaUMT  a 791.455bWAL-K  aRoger Wallis 4aThe known world of broadcast newsbintertiol news and the electronic mediacRoger Wallis<>Stanley J. Baran  aLondon,UK:bRoutledge,c1991  a267 p.  aEN  aTelevision programs-News programs  aStanley J. Baran