RAHKONEN, P. The Western Spread of Permic Hydronyms. Finnisch-Ugrische Forschungen, [S. l.], v. 2014, n. 62, p. 327–375, 2014. DOI: 10.33339/fuf.86084. Disponível em: https://journal.fi/fuf/article/view/86084. Acesso em: 24 apr. 2024.