Seizing the Enigma: The Race to Break the German U-Boat Codes, 1939–1943E-bookSeizing the Enigma: The Race to Break the German U-Boat Codes, 1939–1943diDavid KahnValutazione: 4 su 5 stelle4/5Salva Seizing the Enigma: The Race to Break the German U-Boat Codes, 1939–1943 per dopo