DAVIES, P.; ROSS, A. "Close-Relationship" in the Uralian Languages. Finnisch-Ugrische Forschungen, [S. l.], v. 1975, n. 41, p. 25–48, 1975. DOI: 10.33339/fuf.114314. Disponível em: https://journal.fi/fuf/article/view/114314. Acesso em: 19 may. 2024.