00917nam0-22003131i-450-99000048486040332120071126153451.0000048486FED01000048486(Aleph)000048486FED0100004848620020821d1956----km-y0itay50------baenga-------001yyCommunication engineeringW. L. Everitt , G. E. Anner3rd ed.International student editionNew YorkMcGraw-HillTokyoKogakusha companyc1956644 p.ill.21 cmTelecomunicazioni621.382Everitt,William Littell14631Anner,George E.71ITUNINARICAUNIMARCBK99000048486040332110 E II 655290DINELDINELCommunication engineering332617UNINA