000			00356nam a2200133Ia 4500
008			210219s9999||||xx |||||||||||||| ||und||
082			_a4.65 _bS524N
100			_aShaffer, Steven L. _910987
245		0	_aNetwork security. _c Steven L.Shaffer
260			_aNew York. _bAP Professional. _c1994
300			_axviii; 318
942			_cBK
950			_o004.65 S524N
999			_c31934 _d31934