000 00272nam a2200121Ia 4500
008 211126s9999 xx 000 0 und d
082 _a4.6
100 _aWHITE
245 0 _aDATA COMMUNICATION AND NETWORKING
260 _bTHOMPSON
365 _b350.00
942 _cBTECH
999 _c142220
_d142220