000 00268nam a2200109Ia 4500
008 230901s9999 xx 000 0 eng d
100 _aWhitman (Me)
245 0 _a122s Net Wetwork Security
250 _a1
260 _bDelhi Cengage publication
942 _2ddc
_cSCIENCE
999 _c19372
_d19372