Baraúna, Fabíola Azevedo, Alessandra Janaú de Brito, and Gessiane Lobato Picanço. “Acoustic Vowel Dispersion In Three Tupian Languages”. Letrônica 7, no. 2 (February 10, 2015): 713–738. Accessed October 19, 2024. https://revistaseletronicas.pucrs.br/letronica/article/view/17915.