RDZANEK, Witold. Acoustical impedance of a circular membrane vibrating under the influence of a force with a uniform surface distribution. Archives of Acoustics, [S. l.], v. 11, n. 1, p. 39–52, 2015. Disponível em: https://acoustics3.ippt.pan.pl/index.php/aa/article/view/3107. Acesso em: 28 apr. 2025.