ETIENNE, J.; RANACHOWSKI, J. Prof Leszek Filipczyński Scientific biography. Archives of Acoustics, [S. l.], v. 19, n. 4, p. 423–433, 2014. Disponível em: https://acoustics3.ippt.pan.pl/index.php/aa/article/view/1108. Acesso em: 13 jan. 2025.