Decoding history : the battle of the Atlantic and Ultra
W.J.R. Gardner
Bok Engelsk 1999
Utgitt | Annapolis, Md : Naval Institute Press , 1999
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Omfang | 263 s.
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Opplysninger | The German attack on merchant shipping in the Second World War, known as the Battle of the Atlantic, was countered partly by code-breaking intelligence known as Ultra. The dramatic revelation of this factor in the middle 1970s resulted in many works giving this as the most important cause of Allied success.
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ISBN | 1557501580
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