ŠTRUMBERGER, Nada. Unusual Shipments in Air Transport. Promet - Traffic&Transportation, [S. l.], v. 9, n. 1-2, p. 65–70, 2012. Disponível em: https://traffic2.fpz.hr/index.php/PROMTT/article/view/1817. Acesso em: 26 aug. 2025.