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, 1992. Disponível em: http://acoustics.ippt.gov.pl/index.php/aa/article/view/1204. Acesso em: 19 apr. 2026.