HARAJDA, Helena. Analysis of the specific structure of the fundamental component of vocal sounds from the point of view of intonation evaluation. Archives of Acoustics, [S. l.], v. 8, n. 4, p. 271–292, 2016. Disponível em: https://acoustics3.ippt.pan.pl/index.php/aa/article/view/3260. Acesso em: 25 apr. 2025.