000 00307nam a2200109Ia 4500
008 231004s9999 xx 000 0 und d
020 _a0-1323-8195-8
090 _a004.6 STA
100 0 _aWilliam Stallings
245 0 0 _aData And Computer Communications
260 _aPearson Education Limited
_bNew Jersey
_c2007
999 _c14604
_d14604