KONDROŠKA, Vaidotas; STANKŪNAS, Jonas. Development of Lithuanian airspace structure. Aviation, [S. l.], v. 16, n. 4, p. 124–129, 2012. DOI: 10.3846/16487788.2012.753678. Disponível em: https://journals.vilniustech.lt/index.php/Aviation/article/view/4373. Acesso em: 19 jun. 2025.