000 00273nam a2200109Ia 4500
020 _a8177580116
082 _a005.82
100 _aSTALLINGS, WILLIAM
245 _aCRYTOGRAPHY AND NETWORK SECURITY PRINCIPLES AND PRACTICE
260 _aSINGAPORE
_b PERARSON
_c1999
942 _cBK
999 _c6808
_d6808