00971nam0-22003251i-450-99000375480040332120150312162737.00-395-28657-3000375480FED01000375480(Aleph)000375480FED0100037548020030910d1982----km-y0itay50------baengUSa-------001yyBroadcasting in Americaa survey survey of television, radio, and new technologiesSydney W. Head with Christopher H. Sterling4. ed.BostonHoughton Mifflin1982XIV, 642 p.ill.24 cmRadiotrasmissioniStati Uniti d'America384.54097322itaHead,Sydney W.142519ITUNINARICAUNIMARCBK990003754800403321A / HEA 12629BFSBFSBroadcasting in America508596UNINA