[1]
M. I. Struk and T. V. Slivinskaya, “Evaluation of the intensity of air transportation in the European region”, Журнал Белорусского государственного университета. География. Геология, no. 2, pp. 82–91, Oct. 2017, Accessed: Jul. 19, 2026. [Online]. Available: https://journals.bsu.by/index.php/geography/article/view/983