WSZOŁEK, Wiesław; KŁACZYŃSKI, Maciej; ENGEL, Zbigniew. The acoustic and electroglottographic methods of determination the vocal folds vibration fundamental frequency. Archives of Acoustics, [S. l.], v. 32, n. 4(S), p. 143–150, 2014. Disponível em: https://acoustics3.ippt.pan.pl/index.php/aa/article/view/1402. Acesso em: 25 apr. 2025.