The Hut Six story
Subtitle: breaking the Enigma codes
By: Gordon Welchman.
Publisher: Penguin
Published: 1984
Place of publication: Harmondsworth
Language: eng
Number of pages: 326
Subjects: World War, 1939-1945 -- Secret service.; Military intelligence.
Notes: Originally published, London , Allen Lane, 1982.

Bibliography, p315-317. - Includes index.