| 000 | 00545nam a2200181Ia 4500 | ||
|---|---|---|---|
| 008 | 161214s9999 xx 000 0 und d | ||
| 020 |
_a1857028899 _c(pbk) |
||
| 082 |
_223 _a652.8 _bSIN |
||
| 100 | _aSingh, Simon | ||
| 245 | 0 | _aCode book : the secret history of codes and codebreaking | |
| 260 |
_aLondon: _bFourth Estate, _c2000 |
||
| 300 |
_axiii, 402 p.; _bill.: _c20 cm. |
||
| 650 | _aCiphers | ||
| 650 | _aConfidential communications | ||
| 650 | _aCryptography - History | ||
| 650 | _aData encryption (Computer science) | ||
| 942 |
_2ddc _cBK |
||
| 999 |
_c5568 _d5568 |
||