000 00328nam a2200145Ia 4500
008 220105s9999 xx 000 0 und d
041 _aENGLISH
082 _a005.82
100 _a"Stallings, William"
245 0 _aCryptography and Network Security
250 _n7
260 _bPearson
365 _b749.00
942 _cBK
999 _c209270
_d209270