000			00332nam a2200133Ia 4500
008			241226s9999 xx 000 0 und d
020			_a0
082			_a6 _bMAI
100			_aMaiwald Eric
245		0	_aNetwork security:a beginners gide
260			_aNew Delhi : _bTata Macgrow Hill, _c2021.
350			_a375
650			_aManagement
999			_c168242 _d168242