BOYANOV, B.; CHOLLET, G. Robust pitch detection for normal and pathologic voice. Canadian Acoustics, [S. l.], v. 20, n. 3, p. 47–48, 1992. Disponível em: https://jcaa.caa-aca.ca/index.php/jcaa/article/view/729. Acesso em: 13 may. 2026.