From the bell to the computer - History of fire call and fire alarm. Academic Journal of Internal Affairs, [S. l.], v. 68, n. 8, p. 51–66, 2020. DOI: 10.38146/BSZ.2020.8.3. Disponível em: http://belugyiszemlejournal.pitservice.hu/index.php/belugyiszemle/article/view/694. Acesso em: 2 mar. 2026.