Increasing the insulation properties of filter respirators to protect miners’ respiratory organs from dust. Rudarsko-geološko-naftni zbornik, [S. l.], v. 38, n. 4, p. 27–40, 2023. DOI: 10.17794/rgn.2023.4.3. Disponível em: https://ojs.srce.hr/index.php/rgn/article/view/27162. Acesso em: 23 aug. 2025.