000 00309nam a2200133Ia 4500
008 230222s9999 xx 000 0 und d
082 _a004.6
100 _aRandy Weaver
245 0 _aNetwork Defense
250 _a1
260 _bCengage Learning India, New Delhi
_c2009
650 _aCOMPUTER
942 _cBK
999 _c15073
_d15073