KUNZEL, Hermann J. Beware of the ‘telephone effect’: the influence of telephone transmission on the measurement of formant frequencies. International Journal of Speech, Language and the Law, [S. l.], v. 8, n. 1, p. 80–99, 2001. DOI: 10.1558/ijsll.v8i1.80. Disponível em: https://journal.equinoxpub.com/IJSLL/article/view/9907. Acesso em: 18 apr. 2025.