000 00396nam a2200133Ia 4500
008 210917s9999 xx 000 0 und d
082 _a510.78 .T2:8
100 _aTechmedia,
245 0 _aInternet Security
260 _aNew Delhi
260 _b Techmedia
260 _c1997
942 _cCD
999 _c149763
_d149763