000 00266nam a2200097Ia 4500
008 231013s9999 xx 000 0 und d
090 _a004.6
100 0 _aStallings, William
245 0 0 _aData & Computer Communications
260 3 _aNew Jersey
_bPearson Edu. Inc.
_c2007
999 _c15192
_d15192