PIWNIK, J. Kinematyka Procesu Wyciskania Profili Złożonych. Engineering Transactions, [S. l.], v. 34, n. 3, p. 303–312, 1986. Disponível em: https://et.ippt.pan.pl/index.php/et/article/view/1813. Acesso em: 6 dec. 2025.