HOLTSE, P. Identification and discrimination of closely spaced synthetic vowels. Annual Report of the Institute of Phonetics University of Copenhagen, [S. l.], v. 7, p. 235–264, 1973. DOI: 10.7146/aripuc.v7i.130935. Disponível em: https://tidsskrift.dk/ARIPUC/article/view/130935. Acesso em: 2 may. 2024.