Ivanov Ю. С.; Yanovskiy С. Б. Fire-hazard parameters of frictional sparks. Research methods. The basic problems. Chrezvychaynye situatsii: obrazovanie i nauka, [S. l.], v. 1, n. 1, p. 43–47, 2006. Disponível em: https://journals.ucp.by/index.php/gei/article/view/647. Acesso em: 4 dec. 2022.