ULTRA at sea : how breaking the Nazi code affected Allied naval strategy during World War II /

Bibliographic Details
Main Author:	Winton, John, 1931-2001
Format:	Book
Language:	English
Published:	New York : W. Morrow, 1988.
Edition:	1st U.S. ed.
Subjects:	World War, 1939-1945 > Cryptography. World War, 1939-1945 > Naval operations, British. World War, 1939-1945 > Secret service > Great Britain.

Description
Item Description:	Includes index.
Physical Description:	207 pages, 8 unnumbered pages of plates : illustrations ; 24 cm.
ISBN:	0688085466