The ultra Americans
Subtitle: the U.S. role in breaking the Nazi codes
By: Thomas Parrish.
Publisher: Stein and Day
Published: 1986
Place of publication: New York
Language: eng
Number of pages: 338
Subjects: World War, 1939-1945 -- Cryptography.; World War, 1939-1945 -- Electronic intelligence -- United States.
Notes: Bibliography: p. 313-323.
Includes index.