000 00294nam a2200121Ia 4500
008 230303s9999 xx 000 0 und d
041 _aeng
082 _a004.65 COM
100 _aCOMER (DOUGLAS E.)
245 _aComputer Networks and Intrenets
260 _aNEW DELHI
_bPEARSON
365 _cRS
999 _c179517
_d179517