STÅLHAMMAR, Ulf J. Form factors for power spectra of vowel nuclei. Annual Report of the Institute of Phonetics University of Copenhagen, [S. l.], v. 12, p. S-47-S-62, 1978. DOI: 10.7146/aripuc.v12i.131684. Disponível em: https://tidsskrift.dk/ARIPUC/article/view/131684. Acesso em: 25 dec. 2025.