George Lasry, Paolo Bonavoglia. Deciphering a Short Papal Cipher from 1721. In Carola Dahlke, Beáta Megyesi, editors, Proceedings of the 5th International Conference on Historical Cryptology, HistoCrypt 2022, Amsterdam, The Netherlands, June 20-22, 2022. Volume 188 of Linköping Electronic Conference Proceedings, pages 142-146, Linköping University Electronic Press, 2022. [doi]
Abstract is missing.