Town planning regulation in underground urbanistics. Article 2. project baikal, Irkutsk, Russian Federation, v. 19, n. 71, p. 76–78, 2022. DOI: 10.51461/projectbaikal.71.1944. Disponível em: https://projectbaikal.com/index.php/pb/article/view/2076. Acesso em: 10 may. 2026.