000 00624nam a2200217Ia 4500
008 131122s9999 xx 000 0 und d
020 _a9.78E+12
040 _aISI KOLKATA
041 _aEnglish
082 _a652.809
100 _aChurchhouse, Robert
245 _aCodes and Ciphers: Julius Caesar, the ENIGMA, and the Internet
260 _aCambridge
_bCUP
_c2001
300 _a252p.
650 _aCiphers.
650 _aCryptography
650 _aMathematics
650 _aScience
856 _uhttp://isical.cambridge.patron.eb20.com/Collections/ViewBook/f1db9736-7e68-4b76-9ee0-c6628dbe2745
942 _cEB
999 _c111796
_d111796