Samu Potka, Mikko Kiviharju. Telegrams on Negotiations on Capturing Petrograd, 1919. 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 168-171, Linköping University Electronic Press, 2022. [doi]
Abstract is missing.