000 00268nam a2200109Ia 4500
008 190719s9999 xx 000 0 und d
100 _aDouglas E Comer
245 0 _aComputer networks & internet
250 _a2nd
260 _aDelhi
_bAddison Wesley
_c2001
942 _cBK
999 _c10916
_d10916