00927nam0 2200289 450 00002745020100520111912.00-471-34571-720100520d2000----km-y0itay50------baengUSy-------001yyDigital telephonyJohn C. Bellamy3. ed.New YorkJ. Wileyc2000XXV, 643 p.ill.25 cmWiley series in telecommunications and signal processingWiley series in telecommunications and signal processingDigital telephony42689Telecomunicazioni621.3821Ingegneria elettronica e delle comunicazioniBellamy,John070535162ITUNIPARTHENOPE20100520RICAUNIMARC000027450P1 621-D/1342223PIST2010Digital telephony42689UNIPARTHENOPE