CZERNY, Janusz. Philosophical disputes over the concept of matter. Folia Philosophica, [S. l.], v. 18, p. 159–164, 2000. DOI: 10.31261/fp.20827. Disponível em: https://journals.us.edu.pl/index.php/FOLIA/article/view/20827. Acesso em: 5 dec. 2025.