000 00419nam a2200145Ia 4500
008 180713s9999 xx 000 0 und d
082 _a621.3885 K1
100 _a"Kennedy, George "
245 0 _aElectronic Communication Systems
260 _aNew York
260 _b Mcgraw Hill
260 _c2015
365 _b710
942 _cBK
999 _c114193
_d114193