Enigma : the battle for the code /
Sebag-Montefiore, Hugh.
Folio Society (London, England)
London : Folio Society,
2005, c2000.
Bibliography: p. [439]-442..
In slip case.
Includes index.
The text follows that of the revised edition of 2001, with minor emendations.
Enigma cipher system
World War, 1939-1945