RDZANEK, Witold. Acoustic pressure of a system of concentric annular sources in a parallel-piped layer of a gaseous medium. Archives of Acoustics, [S. l.], v. 10, n. 1, p. 3–16, 2015. Disponível em: https://acoustics3.ippt.pan.pl/index.php/aa/article/view/3132. Acesso em: 25 apr. 2025.