000 00332nam a2200121Ia 4500
008 190703s9999 xx 000 0 und d
020 _a81-7808-902-5
082 _a621.38196428 S775
100 _aSTALLINGS,W
245 0 _aCRYPTOGRAPHY AND NETWORK SECURITY: PRINCIPLES AND PRACTICE
260 _aNEW DELHI
_bPEARSON
942 _cBB
_2DDC
999 _c6386
_d6386