00831nam0-22003011i-450-99000678791040332120001010000678791FED01000678791(Aleph)000678791FED0100067879120001010d--------km-y0itay50------baitay-------001yyBroadcasting and telecommunicationan introductionJohn R. Bittner3. ed.Englewood CliffsPrentice Hallc 1991.XXVI, 438 p. ill. 23 cm384.54Bittner,John R.251556ITUNINARICAUNIMARCBK990006787910403321IX A 81722181FSPBCFSPBCBroadcasting and telecommunication635819UNINAGEN01