ROWELL, J.; NOGUCHI, M.; BERNHARDT, B. M.; HERDMAN, A.; GICK, B.; SCHELLENBERG, M. Schlieren study of external airflow during the production of nasal and oral vowels in French. Canadian Acoustics, [S. l.], v. 44, n. 3, 2016. Disponível em: https://jcaa.caa-aca.ca/index.php/jcaa/article/view/2947. Acesso em: 26 jul. 2021.