000 00303nam a2200121Ia 4500
008 190802s9999 xx 000 0 und d
020 _a978-93-325-8522-5
100 _aWilliam Stallings
245 0 _aCryptography and Network Security
260 _aUSA
_bPearson
_c2017
300 _a766:p
942 _cBK
999 _c2261
_d2261