Notifying, warning and alerting the public using unmanned aerial vehicle systems – report on field trials. Scientific Journal of Safety and Logistics, [S. l.], v. 5, n. 1, 2025. DOI: 10.5281/zenodo.18494563. Disponível em: https://mail.sjsl.net/index.php/journal/article/view/43. Acesso em: 17 apr. 2026.