ŻENKIEWICZ, M.; RICHERT, J.; RYTLEWSKI, P.; MORACZEWSKI, K.; STEPCZYŃSKA, M. Selected properties of polypropylene composites with shungite. Polimery, [S. l.], v. 55, n. 2, p. 119-126, 2020. Disponível em: https://ichp.vot.pl/index.php/p/article/view/994. Acesso em: 22 may. 2024.