RYSZKOWSKA, J.; MARKIEWIC, B. Material recycling of high hardness solid polyurethanes. Polimery, [S. l.], v. 47, n. 4, p. 273-278, 2022. Disponível em: http://ichp.vot.pl/index.php/p/article/view/1972. Acesso em: 12 may. 2024.