Keough, Megan, Avery Ozburn, Elise Kedersha McClay, Michael David Schwan, Murray Schellenberg, Samuel Akinbo, and Bryan Gick. “Acoustic and Articulatory Qualities of Smiled Speech”. Canadian Acoustics 43, no. 3 (September 8, 2015). Accessed March 28, 2024. https://jcaa.caa-aca.ca/index.php/jcaa/article/view/2797.