RETTINGER, R.; STASZAK, P. The impact of the crisis on passenger’s air traffic in the world on the basis of the selected examples. Studies of the Industrial Geography Commission of the Polish Geographical Society, [S. l.], v. 18, p. 129–138, 2011. DOI: 10.24917/20801653.18.11. Disponível em: https://prace-kgp.uken.krakow.pl/article/view/95. Acesso em: 5 oct. 2024.