000 00337nam a2200121Ia 4500
008 230222s9999 xx 000 0 und d
082 _a621.382
100 _aPaul B Crilly
245 0 _aCommunications Systems: An intoroduction to Signals and Noise in Electrical Communications
250 _a4
260 _bMcgrawhill
_c2002
942 _cBK
999 _c5240
_d5240