000 00295nam a2200121Ia 4500
008 230303s9999 xx 000 0 und d
041 _aeng
082 _a005.82 STA
100 _aSTALLINGS(WILLAM)
245 _aCRYPTOGRAPHY AND NETWORK SECURITY
260 _aNEW DEHLI
_bPEARSON
365 _cRS
999 _c187363
_d187363