000			00350nam a2200145Ia 4500
008			220822s9999||||xx |||||||||||||| ||und||
020			_a9788131761663
082			_a005.8 _bSTA/C
100			_aWilliam Stallings
245		0	_aCryptography and Network Security
250			_a5
260			_aNew Delhi _bPearson _c2012
300			_a743
942			_cBK
999			_c11779 _d11779