000 00364nam a2200169Ia 4500
008 190201s9999 xx 000 0 und d
020 _a9.79E+12
082 _a5
082 _b82 STA
100 _aStallings William
245 0 _aCryptography And Network
250 _aThird
260 _aNew Delhi
260 _bPearson
260 _c2005
300 _a1-686
999 _c40579
_d40579