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| 005 | 20250217031728.0 | ||
| 008 | 810731s1982 nyua b 001 0aeng | ||
| 010 | _a 81013657 | ||
| 020 | _a0070691800 | ||
| 040 |
_aDLC _cDLC _dDLC |
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| 050 | 0 | 0 |
_aD810.C88 _bW44 |
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_a940.54/86/41 _219 |
| 100 | 1 | _aWelchman, Gordon. | |
| 245 | 1 | 4 |
_aThe Hut Six story : _bbreaking the Enigma codes / _cGordon Welchman. |
| 260 |
_aNew York: _bMcGraw-Hill, _cc1982. |
||
| 300 |
_aix, 326 p. : _bill. ; _c24 cm. |
||
| 504 | _aBibliography: p. 315-317. | ||
| 500 | _aIncludes index. | ||
| 650 | 0 |
_aWorld War, 1939-1945 _xCryptography. |
|
| 650 | 0 |
_aWorld War, 1939-1945 _xSecret service _zGreat Britain. |
|
| 650 | 0 |
_aWorld War, 1939-1945 _vPersonal narratives, British. |
|
| 600 | 1 | 0 | _aWelchman, Gordon. |
| 653 | _aWorld War, 1939-1945 -- Personal narratives, British. | ||
| 942 | _cBK | ||
| 997 | _akep | ||
| 999 |
_c51006 _d51006 |
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