000			00464nam a22001697a 4500
999			_c478326 _d478326
003			NUST
005			20180521073246.0
008			180521b ||||| |||| 00| 0 eng d
020			_a9788131761663
082			_a005.82
100			_aWilliam Stallings _9669
245			_aCryptography and Network Security _bPrinciples and Practice _cWilliam Stallings
250			_a5th ed.
260			_aNew Delhi _bPearson _c2011
300			_a743 p. _bPb.
942			_2ddc _cBK