The ultra Americans : the U.S. role in breaking the Nazi codes /

Bibliographic Details
Main Author:	Parrish, Thomas (Thomas D.)
Format:	Book
Language:	English
Published:	New York : Stein and Day, 1986.
Subjects:	World War, 1939-1945 > Cryptography. World War, 1939-1945 > Electronic intelligence > United States.

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