000			00406nam a2200157Ia 4500
008			230914s2011||||xx |||||||||||||| ||und||
020			_a9788131761663
082			_a005.8
100			_aStallings, William
245		0	_aCryptography and Network Security: Principles and Practice
250			_a5th
260			_aNoida _bPearson _c2011
300			_a743
650			_aComputer Network - Security
942			_cBK
999			_c798 _d798