00672nam a2200169Ia 4500008004100000020001800041041000800059082001700067100003800084245015700122250000600279260003200285300001100317650002200328999001900350952013300369210716s2002    xx            000 0 und d  a9780071263320  aeng  a621.382 CARA  aCarlson, A Bruce, Crilly, Paul B.  aCommunication systems: an introduction to signals and noise in electrical communication.bIntroduction to signals and noise in electrical communication.  a5  aNew YorkbMcGraw Hillc2002  axx,924  aComputer Networks  c190706d190706  001040708MCAaAIMITbAIMITeKnowledge Worldg1516.55l0o621.382 CARApMCA10214r2025-07-21 00:00:00v1137.41w2021-07-16yBK