War secrets in the ether /

Bibliographic Details
Main Author:	Flicke, Wilhelm F.
Other Authors:	Carlisle, Sheila
Format:	Book
Language:	English German
Published:	Laguna Hills, Calif. : Aegean Park Press, [1994]
Edition:	Rev. and edited [ed.].
Subjects:	Cryptography > History. World War, 1914-1918 > Communications. World War, 1939-1945 > Cryptography.

Cushing: Ragan Military (Does not check out)