000 00419nam a2200145Ia 4500
008 180713s9999 xx 000 0 und d
082 _a621.382 S1
100 _a"Singal, T L "
245 0 _aAnalog & Digital Communications
260 _aNew York
260 _b Mcgraw Hill
260 _c2014
365 _b600
942 _cBK
999 _c116679
_d116679