KRAUS, J. .; PLENINGER, S. . THE NEED TO INCREASE SAFETY AT UNCONTROLLED AERODROMES. Perner’s Contacts, [S. l.], v. 7, n. 4, p. 60–66, 2012. Disponível em: https://pernerscontacts.upce.cz/index.php/perner/article/view/1381. Acesso em: 22 lis. 2024.