@book{1718173,
	title = {Breaking Teleprinter Ciphers at Bletchley Park: An edition of I.J. Good, D. Michie and G. Timms: General Report on Tunny with Emphasis on Statistical Methods (1945)},
	publisher = {IEEE},
	url = {https://ieeexplore.ieee.org/servlet/opac?bknumber=7123279}
}