000			00313nam a22001337a 4500
999			_c181372 _d181372
003			OSt
005			20210402020028.0
008			190604b ||||| |||| 00| 0 eng d
020			_a9789332585225
100			_aSTALLINGS
245			_aCRYPTOGRAPHY AND NETWORK SECURITY
260			_bPEARSON
942			_2ddc _cBK _028