000 00282nam a2200121Ia 4500
008 211126s9999 xx 000 0 und d
082 _a5.8
100 _aWILLIAM STALLING
245 0 _aCRYPTOGRAPHY AND NETWORK SECURITY
260 _bPEARSON
365 _b275.00
942 _cBTECH
999 _c143689
_d143689