000 00322nam a2200133Ia 4500
005 20251003125626.0
008 251003s9999 xx 000 0 und d
082 _a004.6
100 _aWilliam Stallings
245 0 _aBusiness Data Communication
260 _bPrentice Hall
_aNew York
_c1997
300 _a558
942 _cBK
999 _c36287
_d36287