000 00294nam a2200121Ia 4500
008 160122s9999 xx 000 0 und d
041 _aEnglish
100 _aDouglas E Comer
245 _aComputer Networks and Internets
260 _bDelhi:Pearson Ed
_c1998
300 _a578p.
650 _aComputer
999 _c946
_d946