Voices of the code breakers
Subtitle: personal accounts of the secret heroes of World War II
By: Michael Paterson ; foreword by Robert Harris.
Publisher: David & Charles
Published: 2007
Place of publication: Cincinnati, OH
Language: eng
Number of pages: 288
ISBN-13: 9780715322802; 9780715327432
Subjects: World War, 1939-1945 -- Cryptography.; World War, 1939-1945 -- Secret service -- Great Britain.
Notes: Includes bibliographical references and index.