SÁNDOR, Zsolt. Challenges Caused by the Unmanned Aerial Vehicle in the Air Traffic Management. Periodica Polytechnica Transportation Engineering, [S. l.], v. 47, n. 2, p. 96–105, 2019. 10.3311/PPtr.11204. Disponível em: https://pp.bme.hu/tr/article/view/11204. Acesso em: 26 apr. 2024.