ULTRA at sea
Subtitle: how breaking the Nazi code affected Allied naval strategy during World War II
By: John Winton.
Edition: 1st U.S. ed.
Publisher: W. Morrow
Published: 1988
Place of publication: New York
Language: eng
Number of pages: 207
Subjects: World War, 1939-1945 -- Cryptography.; World War, 1939-1945 -- Naval operations, British.; World War, 1939-1945 -- Secret service -- Great Britain.
Notes: Includes index.