ŁĘTOWSKI, T.; CARAVELLA, J. M. Sound levels produced at and in the occluded ear of the talker. Archives of Acoustics, [S. l.], v. 19, n. 2, p. 139–146, 2014. Disponível em: https://acoustics3.ippt.pan.pl/index.php/aa/article/view/1068. Acesso em: 25 apr. 2025.