000 00315nam a2200121Ia 4500
008 200701s2003 xx 000 0 eng d
100 _aWILLIAM STALLINGS
245 0 _aCRYPTOGRAPHY NETWORK SECURITY PRINCIPLES AND PRACTICES
250 _a3rd
260 _bPEARSON EDUCATION
_c2003
300 _a685
942 _2ddc
_cGE
999 _c2601
_d2601