000			00419nam a2200157Ia 4500
008			220131s9999 xx 000 0 und d
020			_a9789332518773 | 9789332518773
082			_a005.82 _bSTA/C
100			_aWilliam Stallings
245		0	_aCryptography and Network Security
250			_aSeventh edition.
260			_aNew Delhi _bPearson _c2015
300			_axviii, 748 pages :
650			_aCOMPUTER
942			_cBK
999			_c1578 _d1578