Cite
HARVARD Citation
Good, I. et al. (2015) Breaking teleprinter ciphers at Bletchley Park : general report on Tunny with emphasis on statistical methods (1945). [Online]. Hoboken, New Jersey Piscataway, New Jersey : Wiley IEEE Press. Available from: http://access.bl.uk/ark:/81055/vdc_100026533667.0x000001