GRIGORJEVS, Juris. The comparison of the quality of spoken and sung Latvian vowels [i:], [ɑ:] and [u:]. Baltistica, [S. l.], v. 46, n. 1, p. 63–78, 2026. DOI: 10.15388/Baltistica.46.1.1490. Disponível em: https://www.journals.vu.lt/baltistica/article/view/39391. Acesso em: 24 feb. 2026.