KAPUSTIN, P. Обелиск. проект байкал, Irkutsk, Russian Federation, v. 15, n. 56, p. 76–79, 2018. DOI: 10.7480/projectbaikal.56.1326. Disponível em: https://projectbaikal.com/index.php/pb/article/view/1326. Acesso em: 3 июл. 2025.