000 00286nam a2200121Ia 4500
008 220201s2006 xx 000 0 eng d
082 _a5.8
_bSTA
100 _aStalling,W
245 0 _aNetwork secuirty essentials
260 _aDelhi
_bPearson Edu.
_c2006
300 _a374
942 _2ddc
999 _c37271
_d37271