| 000 | 00382cam a2200109 4500 | ||
|---|---|---|---|
| 020 |
_a9780802715470 (pbk) : _c36.95 SGD |
||
| 100 | 1 | _aPINCOCK Stephen | |
| 245 |
_aCodebreaker : _bthe history of codes and ciphers, from the ancient pharaohs to quantum cryptography _cStephen Pincock |
||
| 260 |
_a: _bWalker publishing company / _c2006 |
||
| 300 |
_a176 p _bill. |
||
| 945 |
_i29208-1001 _rY _sY |
||
| 999 |
_c14720 _d14720 |
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