000 00274nam a2200121Ia 4500
008 241124s9999 xx 000 0 und d
100 _aTaub, H.;Schilling
245 0 _aTaub`s Principles of Communication System
260 _b-
260 _c0
300 _a842
942 _cBK
999 _c7086
_d7086