Seizing the Enigma: The Race to Break the German U-Boat Codes, 1933-1945

Enigma

by David Kahn

Hardcover

ISBN: 978-1-84832-636-1

ISBN-10: 1-84832-636-X

Frontline Books · 2012

See also:
2012PaperbackSeizing the Enigma: The Race to Break the German U-Boat Codes, 1939-1945, Revised Edition