GRIGORYEVA, E. зелено. проект байкал, Irkutsk, Russian Federation, v. 8, n. 27, p. 1–1, 2011. DOI: 10.7480/projectbaikal.27.43. Disponível em: https://www.projectbaikal.com/index.php/pb/article/view/43. Acesso em: 26 май. 2022.