000 00276nam a2200133Ia 4500
008 241124s9999 xx 000 0 und d
100 _aKatre, J.S.
245 0 _aDigital Communication VII (EXTC)
250 _a2
260 _b-
260 _c0
300 _a590
942 _cBK
999 _c5670
_d5670