PIERCHAŁA, Marek Dariusz. Testing the Acoustic Silencers. Archives of Acoustics, [S. l.], v. 43, n. 2, p. 313–321, 2016. DOI: 10.24425/122379. Disponível em: https://acoustics3.ippt.pan.pl/index.php/aa/article/view/1562. Acesso em: 13 jan. 2025.