00863nam0-22003131i-450-99000048600040332120071203094714.0000048600FED01000048600(Aleph)000048600FED0100004860020020821d1974----km-y0itay50------baenga-------001yyTelecommunicationsJ. Brown, E. V. D. Glazier2nd ed.LondonChapman and Hall and science paperbacksc1974382 p.ill.23 cmTelecomunicazioni621.382Brown,J.340045Glazier,E. V. D.491688ITUNINARICAUNIMARCBK99000048600040332110 E II 1758148DINELDINELTelecommunications332559UNINA