OBRADOVIĆ, Petar; FLATZ, Leon; LJUBIČIĆ, Perica. Modem Communications Systems Development Guidelines in Function of Air Traffic Safety ... Promet - Traffic&Transportation, [S. l.], v. 19, n. 3, p. 187–193, 2007. Disponível em: https://traffic2.fpz.hr/index.php/PROMTT/article/view/2224. Acesso em: 27 aug. 2025.