Improvement of Retread Blends Composed of Natural Rubber(Nr) And Polybutadiene Rubber(Br). Al-Nahrain Journal for Engineering Sciences, [S. l.], v. 11, n. 3, p. 478–484, 2008. Disponível em: https://nahje.com/index.php/main/article/view/545.. Acesso em: 7 may. 2024.