000 00322nam a2200133Ia 4500
005 20251003125823.0
008 251003s9999 xx 000 0 und d
082 _a4.6
100 _aCarr
245 0 _aData Communication & Network Security
260 _bTata Macgraw-Hill
_aNew Delhi
_c2007
300 _a525
942 _cBK
999 _c39326
_d39326