Интернет-дайджест. project baikal, Irkutsk, Russian Federation, v. 3, n. 10, p. 88–88, 2006. DOI: 10.7480/projectbaikal.10.532. Disponível em: https://projectbaikal.com/index.php/pb/article/view/532. Acesso em: 10 may. 2026.