000			00291nam a22001337a 4500
020			_a8120330188
082			_a005.8
100			_a STALLINGS, WILLIAM
245			_aCRYPTOGRAPHY AND NETWORK SECURITY
250			_a4TH ED.
260			_aUSA _bPRENTICE HALL _c2006
300			_a680
942			_cBK
999			_c23308 _d23308