MIKHAILOV, A. Актуальность темы. проект байкал, Irkutsk, Russian Federation, v. 13, n. 50, p. 126–127, 2016. DOI: 10.7480/projectbaikal.50.1095. Disponível em: https://projectbaikal.com/index.php/pb/article/view/1095. Acesso em: 1 мар. 2024.