Capturing enigma
Subtitle: how HMS Petard seized the German naval codes
By: Stephen Harper.
Publisher: Sutton
Published: 1999
Place of publication: Stroud
Language: eng
Number of pages: 180
Subjects: Petard (Ship); Great Britain. -- Royal Navy; World War, 1939-1945 -- Cryptography; World War, 1939-1945 -- Naval operations, British
Notes: Includes bibliographical references (p. [173]-175) and index.