BARSS, W. M.; BERNARD, J. E.; GRAHAM, I. S. Visual Display of Sound Waves in Two-Dimensional Models. Canadian Acoustics, [S. l.], v. 5, n. 1, p. 15–19, 1977. Disponível em: https://jcaa.caa-aca.ca/index.php/jcaa/article/view/400. Acesso em: 24 apr. 2024.