000 00300nam a2200121Ia 4500
008 221221s9999 xx 000 0 und d
020 _a9781259005350
082 _a004
_bWAL/C
100 _aWalker, Matt
245 0 _aCertified Ethical Hacker Exam Guide
260 _aNew Delhi
_bMgh
_c2011
942 _cBK
999 _c4394
_d4394