On effects of internal friction in the revised Goodman–Cowin theory with an independent kinematic internal length. Archives of Mechanics, [S. l.], v. 60, n. 2, p. 173–192, 2008. Disponível em: https://am.ippt.pan.pl/index.php/am/article/view/v60p173. Acesso em: 8 oct. 2025.