000 00277nam a2200109Ia 4500
008 230901s9999 xx 000 0 eng d
100 _aKrawetz (Neal)
245 0 _aIntroduction to Network Security
250 _a1
260 _bDelhi Cengage publication
942 _2ddc
_cSCIENCE
999 _c19368
_d19368