000 00264nam a2200109Ia 4500
008 190913s9999||||xx |||||||||||||| ||und||
100 _aWilliam Stallings
245 0 _aCryptography and Network Security
260 _aIndia
_bAJA
_c2018
300 _a312
942 _cBK
999 _c8223
_d8223