THORSEN, Nina. On the interpretation of raw fundamental frequency tracings. Annual Report of the Institute of Phonetics University of Copenhagen, [S. l.], v. 11, p. 1–11, 1977. DOI: 10.7146/aripuc.v11i.131662. Disponível em: https://tidsskrift.dk/ARIPUC/article/view/131662. Acesso em: 25 dec. 2025.