DOBROSTAN, O.; NOVAK, S.; DRIZHD, V. FIRE RESISTANCE OF STEEL AIR DUCTS WITH COMBINED FIRE PROTECTION SYSTEM. Scientific bulletin: Сivil protection and fire safety, [S. l.], n. 1(9), p. 52–65, 2020. DOI: 10.33269/nvcz.2020.1.52-65. Disponível em: https://nvcz.undicz.org.ua/index.php/nvcz/article/view/75. Acesso em: 17 jan. 2026.