000 00323nam a2200121Ia 4500
008 250409s9999 xx 000 0 und d
020 _a81-7758774-6
082 _a5.82
_bSTA
100 _aStallings, William
245 0 _aCryptography And Network Security 4th ed.
260 _aVidhyanagar
_bPearson
_c2006
365 _a385
999 _c258324
_d258324