000 00286nam a2200121Ia 4500
008 220821s2016 xx 000 0 eng d
100 _aStallings, William
245 0 _aCryptography and Network Security
250 _a6
260 _bPearson
_c2016
300 _a660
942 _2ddc
_cBTECH
999 _c2513
_d2513