RYCHLEWSKI, Jan. Symmetry. Engineering Transactions, [S. l.], v. 71, n. 2, p. 265–283, 2023. DOI: 10.24423/EngTrans.2261.20230531. Disponível em: http://et.ippt.gov.pl/index.php/et/article/view/2261. Acesso em: 17 jan. 2026.