The hidden war /

Bibliographic Details
Main Author:	Haldane, Robert A (Author)
Format:	Book
Language:	English
Published:	New York : St. Martin's Press, 1978.
Subjects:	World War, 1939-1945 > Cryptography. World War, 1939-1945 > Secret service. Guerre mondiale, 1939-1945 > Cryptographie. Guerre mondiale, 1939-1945 > Service secret. Cryptography. Secret service. 1939-1945 World War 2 > Military cryptology

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