GRIGORYEVA, E. свет и цвет. проект байкал, Irkutsk, Russian Federation, v. 6, n. 19, p. 1–1, 2009. DOI: 10.7480/projectbaikal.19.921. Disponível em: https://projectbaikal.com/index.php/pb/article/view/921. Acesso em: 6 май. 2024.