B. Jack Copeland and others

titleISBN-13
(ISBN-10)
year of publication
Colossus: The secrets of Bletchley Park's code-breaking computers978-0-19-957814-6
(0-19-957814-1)
2010
Colossus: The Secrets of Bletchley Park's Code-breaking Computers978-0-19-284055-4
(0-19-284055-X)
2006

B. A. · B. C · B. J. Copeland · B. Jack Copeland · C.A. · J. A. · J C · Jack C. · Jack Copeland

B. Jack Gebhardt