000 00301nam a22001217a 4500
020 _a8178086050
100 _aSTALLINGS, WILLIAM
245 _aCRYTOGRAPHY AND NETWORK SECURITY PRINCIPLES AND PRACTICE
250 _a2ND
260 _aSINGAPORE
_bPEARSON
_c 1999
300 _aXVIII, 567 P
942 _cBK
999 _c16183
_d16183