TYGIELSKI, Henryk; RDZANEK, Witold. The acoustic field on the axis of a circular cone. Archives of Acoustics, [S. l.], v. 9, n. 3, p. 305–316, 2015. Disponível em: https://acoustics3.ippt.pan.pl/index.php/aa/article/view/3227. Acesso em: 25 apr. 2025.