Rowell J, Noguchi M, Bernhardt BM, Herdman A, Gick B, Schellenberg M. Schlieren study of external airflow during the production of nasal and oral vowels in French. Canadian Acoustics [Internet]. 2016 Aug. 24 [cited 2024 Nov. 23];44(3). Available from: https://jcaa.caa-aca.ca/index.php/jcaa/article/view/2947