000 00373nam a2200181Ia 4500
008 240220s9999 xx 000 0 und d
041 _aENG
082 _a1.644
100 _aWeaver Randy
245 0 _aNetwork defense
260 _aNew Delhi
260 _bCengage Learning
260 _c2007
300 _a330p.
365 _b299
650 _aETC
942 _cDBK
999 _c30328
_d30328