ŁUCJANEK, Wiesław. Civil academic education of Helicopter Engineering in Poland. Aviation, [S. l.], v. 8, n. 1, p. 18–22, 2004. DOI: 10.3846/16487788.2004.9635865. Disponível em: https://journals.vilniustech.lt/index.php/Aviation/article/view/7429. Acesso em: 12 may. 2025.