Anderson, Cormac, Tiago Tresoldi, Thiago Chacon, Anne-Maria Fehn, Mary Walworth, Robert Forkel, and Johann-Mattis List. “A Cross-Linguistic Database of Phonetic Transcription Systems”. Yearbook of the Poznan Linguistic Meeting 4, no. 1 (December 1, 2018): 21–53. Accessed April 25, 2024. https://pressto.amu.edu.pl/index.php/yplm/article/view/yplm-2018-0002.