ANDERSEN, Preben. Spectral properties of German and Danish sibilants. Annual Report of the Institute of Phonetics University of Copenhagen, [S. l.], v. 10, p. 29–56, 1976. DOI: 10.7146/aripuc.v10i.131133. Disponível em: https://tidsskrift.dk/ARIPUC/article/view/131133. Acesso em: 5 dec. 2025.