Modernization of communication lines in Russia in the late 18th and early 19th centuries. project baikal, Irkutsk, Russian Federation, v. 19, n. 72, p. 46–56, 2022. DOI: 10.51461/projectbaikal.72.1977. Disponível em: https://projectbaikal.com/index.php/pb/article/view/2109. Acesso em: 10 may. 2026.