000			00316nam a2200133Ia 4500
008			241226s9999 xx 000 0 und d
020			_a0
082			_a6 _bATK
100			_aAtkins Derek
245		0	_aInternet security
260			_aNew Delhi : _bTata Macgrow Hill, _c2021.
350			_a499
650			_aManagement
999			_c164242 _d164242