Asmus, Sabine, Sylwester Jaworski, and Michał Baran. “Fortis-Lenis Vs Voiced-Voiceless Plosives in Welsh”. LingBaW. Linguistics Beyond and Within 6, no. 1 (December 30, 2020): 5–16. Accessed April 3, 2025. https://czasopisma.kul.pl/index.php/LingBaW/article/view/11828.