000			00386nam a2200133Ia 4500
008			220217s9999||||xx |||||||||||||| ||und||
020			_a81-7808-307-8
082			_a004.65 STA
100			_aStallings, William
245		0	_aNetwork security essentials: applications and standards
260			_aPearson education asia _bDelhi _c2002
300			_b250
650			_aCOMPUTER NETWORK
999			_c169978 _d169978