GRIGORIEVA, A. Дайджест. проект байкал, Irkutsk, Russian Federation, v. 14, n. 51, p. 112–113, 2017. DOI: 10.7480/projectbaikal.51.1136. Disponível em: https://projectbaikal.com/index.php/pb/article/view/1136. Acesso em: 1 фев. 2023.