000 00283nam a2200109Ia 4500
008 230302s9999 xx 000 0 und d
082 _a621.38212HAR
100 _aHarrington (Jan.C)
245 _aNetwork Security : A Practice Approach
260 _aN.Y.
_b ELSEVIER
365 _cRS
999 _c151830
_d151830