PIELORZ, A. Application of Torsional and Longitudinal Elastic Waves in Mechanical Systems. Engineering Transactions, [S. l.], v. 31, n. 4, p. 431–446, 1983. Disponível em: https://et.ippt.pan.pl/index.php/et/article/view/1954. Acesso em: 6 dec. 2025.