An edition of Breaking Army and Air Force Enigma (2009)
German Security Counter-Measures and How Bletchley Park's Hut 6 Overcame Them
By
Publish Date
2009
Publisher
Bletchley Park Trust
Language
-
Pages
30
Description:
28 p. : 21 cm
subjects: World War, 1939-1945 -- Cryptography, Enigma cipher system