Search results
Peter (2001). Top Secret Ultra. M & M Baldwin. pp. 98–103. ISBN 978-0-947712-41-9. Grime, James. "The Enigma Flaw". Numberphile. Brady Haran. Archived...93 KB (11,278 words) - 13:10, 5 May 2024
[1980], Top Secret Ultra, Kidderminster, England: M & MBaldwin, ISBN 978-0-947712-41-9 Churchill, Winston (2005) [1949], The Second World War, Volume 2:...78 KB (10,411 words) - 09:04, 29 February 2024
