X, Y & Z : the real story of how enigma was broken
"It's common knowledge that the Enigma cipher was broken at Bletchley Park, but less is known of the background: an exhilarating spy story of secret documents smuggled across borders, hair-raising escapes, Gestapo interrogations and betrayals. At the heart of it is the decisive role of Pol...
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| Format: | BOOK |
| Language: | ENGLISH |
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The History Press
2020
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