An improved method for vowel space depiction. Linguistic Proceedings Series, [S. l.], v. 12, n. 1, p. 21–24, 2021. DOI: 10.36505/ExLing-2021/12/0006/000479. Disponível em: https://publications.linguistic-society.com/index.php/ILS/article/view/822. Acesso em: 17 jun. 2026.