000 00285nam a2200133Ia 4500
008 241124s9999 xx 000 0 und d
100 _aTaub, H.;Schilling
245 0 _aPrinciples Of Communication System
250 _a3
260 _b-
260 _c0
300 _a842
942 _cBK
999 _c7702
_d7702