000 00319nam a2200121Ia 4500
008 230524s9999 xx 000 0 und d
100 _a"William Stallings, Lawrie Brown"
245 0 _aComputer Security Principles and Practice
260 _bPearson
500 _aQuantity Number: 2
650 _aComp-Sc
942 _cBK
999 _c50234
_d50234