RYSZKOWSKA, J.; MARKIEWIC, B. Material recycling of high hardness solid polyurethanes. Polimery, [S. l.], v. 47, n. 4, p. 273–278, 2022. Disponível em: https://polimery.ichp.vot.pl/index.php/p/article/view/1972. Acesso em: 23 apr. 2025.