THOMSON, R. I. L2 vowel perception: Perceptual assimilation to what?. Canadian Acoustics, [S. l.], v. 31, n. 3, p. 36–37, 2003. Disponível em: https://jcaa.caa-aca.ca/index.php/jcaa/article/view/1538. Acesso em: 18 jan. 2022.