000			00346nam a2200145Ia 4500
008			230312s9999||||xx |||||||||||||| ||und||
020			_a81-203-2018-4
082			_a005.8 _bSTA-C
100			_aStallings;William
245		0	_aCryptography and network Security
260			_bAsoke _aIndia _c2006
300			_a680
650			_aComputer
942			_cBK
999			_c799 _d799