Cite
APA Citation
Glass, D. (2018). unsolved! The History and Mystery of the World's Greatest Ciphers from Ancient Egypt to Online Secret Societies. Math horizons, 25(3), 28. http://access.bl.uk/ark:/81055/vdc_100105287748.0x000038
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Glass, D. (2018). unsolved! The History and Mystery of the World's Greatest Ciphers from Ancient Egypt to Online Secret Societies. Math horizons, 25(3), 28. http://access.bl.uk/ark:/81055/vdc_100105287748.0x000038