SNAKOWSKA, A. The energy distribution in the far field radiated from the semi-infinite unflanged cylindrical wave-guide. Archives of Acoustics, [S. l.], v. 17, n. 4, p. 525–542, 2014. Disponível em: https://acoustics3.ippt.pan.pl/index.php/aa/article/view/1204. Acesso em: 13 jan. 2025.