HALKIAS, X. C.; ELLIS, D. P. W. A comparison of pitch extraction methodologies for dolphin vocalization. Canadian Acoustics, [S. l.], v. 36, n. 1, p. 74–80, 2008. Disponível em: https://jcaa.caa-aca.ca/index.php/jcaa/article/view/1994. Acesso em: 21 may. 2022.