000 00309nam a2200121Ia 4500
008 211126s9999 xx 000 0 und d
082 _a5.133
100 _aWILLIAM STALLINGS
245 0 _aCRYPTOGRAPHY AND NETWORK SECURITY PRINCIPLES AND PRACTICE
260 _bPEARSON
365 _b499.00
942 _cBTECH
999 _c166293
_d166293