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005 20251003125819.0
008 251003s9999 xx 000 0 und d
082 _a621.382
100 _aL. W. Coach
245 0 _aDigital & Analog Communication Ssytem
260 _bPearson Educational
_aUsa
_c2004
300 _a758
942 _cBK
999 _c39222
_d39222