Seizing the enigma
Subtitle: the race to break the German U-boat codes, 1939-1943
By: David Kahn.
Publisher: Houghton Mifflin Co
Published: 1991
Place of publication: Boston
Language: eng
Number of pages: 336
Subjects: World War, 1939-1945 -- Cryptography; World War, 1939-1945 -- Naval operations, German; World War, 1939-1945 -- Naval operations -- Submarine
Notes: "A Thomas Congdon book"--T.p. verso.

Includes bibliographical references (p. (311)-326) and index.