000 00329nam a2200133Ia 4500
008 221117b |||||||| |||| 00| 0 eng d
040 _aBGL
_cBGL
082 _a001.642 STA:C
100 _aStallings Williams
245 0 _aCryptography and Network Security
260 _aNew Delhi
_bPearson
_c2007
300 _a743p
942 _cGB
999 _c31719
_d31719