000 00379nam a2200145Ia 4500
020 _a9780071210287
100 _aBruce Carlson
245 _aCommunication systems : introduction to signals and noise in electrical communications
250 _a4th
260 _c2002
_bMGH
_aBoston
300 _axiii+850
700 _aPaul B Crilly
700 _aJanet C Rutledge
942 _cBK
999 _c36182
_d36182