000 00318nam a2200133Ia 4500
005 20251003125644.0
008 251003s9999 xx 000 0 und d
082 _a004.6
100 _aWilliam Stallings
245 0 _aBusiness Data Communications
260 _bPearson
_aNew Delhi
_c2008
300 _a580
942 _cBK
999 _c36741
_d36741