Rainer Eckert, Studien zur Sprache der lettischen Volkslieder. Baltistica, [S. l.], v. 42, n. 2, p. 302–307, 2026. DOI: 10.15388/Baltistica.42.2.1359. Disponível em: https://www.journals.vu.lt/baltistica/article/view/39681. Acesso em: 22 vas. 2026.