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by David KahnHardcover details (UK). details (USA). details (Germany). details (Canada). ISBN: 978-1-84832-636-1 ISBN-10: 1-84832-636-X Frontline Books · 2012 |
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2012 | Paperback | Seizing the Enigma: The Race to Break the German U-Boat Codes, 1939-1945, Revised Edition |