000			00310nam a2200109Ia 4500
008			240131s9999 xx 000 0 und d
020			_a10:1-292-15485-3 (pbk)
050			_aTK5109.59.S725 2017
100			_aStallings, William
245		0	_aNetwork security essentials : applications and standards
942			_cBK
999			_c16041 _d16041