Seizing the Enigma: The Race to Break the German U-Boat Codes, 1939–1943eBookSeizing the Enigma: The Race to Break the German U-Boat Codes, 1939–1943karyaDavid KahnPenilaian: 4 dari 5 bintang4/5Simpan Seizing the Enigma: The Race to Break the German U-Boat Codes, 1939–1943 untuk nanti