000 00533nam a22001817a 4500
999 _c954
_d954
008 170214b xxu||||| |||| 00| 0 eng d
020 _a9780821837306
037 _fPB
082 _223
_a652.8
_bYOU
100 _aYoung, Anne L
245 _aMathematical ciphers
_bFrom Caesar to RSA
_c/ By Anne L Young
260 _aU.S.A
_bAmerican Mathematical Society
_c2006
300 _a159
_bill
_c26cm
546 _aEnglish
653 _aCiphers – Mathematics | Number theory | Cryptography
658 _bMaths-Statistics
942 _2ddc
_cBKS