Kang, Elisabeth, Yadong Liu, Annabelle Purnomo, Melissa Wang, and Bryan Gick. 2021. “Speaking Versus Smiling: The Labiodentalization of Bilabials in Korean”. Canadian Acoustics 49 (3):36-37. https://jcaa.caa-aca.ca/index.php/jcaa/article/view/3932.