000 00485nam a22001577a 4500
008 230329b |||||||| |||| 00| 0 eng d
040 _aNational Science Library
_cNational Science Library
080 _aD 681.324
_bP1
100 _aGraff, Jon C
245 _aCryptography and e commerce:
_bA wiley tech brief
260 _aNew York:
_bJohn Wiley & Sons, Inc.,
_62001
300 _axvii, 221p.
650 _aComputer science
653 _aInformation technology
942 _2udc
_cBK
999 _c16239
_d16239