RDZANEK, W. Directional characteristic of a circular plate vibrating under the external pressure. Archives of Acoustics, [S. l.], v. 15, n. 1-2, p. 227–234, 2014. Disponível em: https://acoustics3.ippt.pan.pl/index.php/aa/article/view/1271. Acesso em: 13 jan. 2025.