000 00310nam a2200109Ia 4500
008 230222s9999 xx 000 0 und d
100 _aPaul B Crilly
245 0 _aCommunication systems: An Introduction to signals and Noise in Electrical communication
250 _a4
260 _bMcgrawhill
_c2002
942 _cBK
999 _c4707
_d4707