000			00394nam a2200157Ia 4500
008			201023s9999||||xx |||||||||||||| ||und||
100			_aStalling,William.
245		0	_aCryptography and network security.
260			_bPearson _c2019
300			_a766
365			_b709
650			_aComputer Science.
942			_cTB
999			_c4577 _d4577