ULDALL, E. EMG investigation of labial articulations. Annual Report of the Institute of Phonetics University of Copenhagen, [S. l.], v. 19, p. 143–168, 1985. DOI: 10.7146/aripuc.v19i.131810. Disponível em: https://tidsskrift.dk/ARIPUC/article/view/131810. Acesso em: 15 apr. 2024.