| Entry Text: | KOZACZUK, Wladyslaw. Enigma: How the German Cipher Machine Was Broken and How It Was Used by the Allies in World War II. xiv, 348p., bibliog., illus., index. London: Arms & Armour; [n.p.]: University Publications of America, 1984. ISBN: 0853686408.
First published in Poland in 1979. This is one of the early works on ULTRA decryption and has a good section on the war at sea. |
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