00971nam0-22003491i-450-99000397954040332120031117140823.00-02-325281-2000397954FED01000397954(Aleph)000397954FED0100039795420031117d1993----km-y0itay50------baeng.USa---a---001yyDigital and communication systemsLeon W. Couch4. ed.New YorkMacmillan Publishing Companyc1993XXIX, 827 p.ill24 cmTelecomunicazioniComunicazioni digitali621.382Couch,Leon W.150085ITUNINARICAUNIMARCBK99000397954040332123 03 C 01164/Pr.FINAG23 03 C 02165/Pr.FINAGFINAGDigital and communication systems473812UNINA