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005 20251003125723.0
008 251003s9999 xx 000 0 und d
082 _a621.382
100 _aBernard Sklar
245 0 _aDigital Communication
260 _bPearson Educational
_aUsa
_c2005
300 _a1103
942 _cBK
999 _c37767
_d37767