000 00322nam a2200121Ia 4500
008 250409s9999 xx 000 0 und d
020 _a0-07-058241-6
082 _a5.8
_bMAI
100 _aMaiwald,Eric
245 0 _aNetwork security:a beginner's guide 2/E
260 _aNew Delhi
_bTataMcGraw-Hill
_c2003
365 _a376
999 _c250923
_d250923