SZCZEŚNIAK, Z. Discrete Model of Wave Propagation in a Rod with Rigid Unloading Characteristic. Engineering Transactions, [S. l.], v. 40, n. 3, p. 329–342, 1992. Disponível em: https://et.ippt.pan.pl/index.php/et/article/view/1599. Acesso em: 9 oct. 2025.