Kesoretskikh, Ivan I., and Sergey I. Zotov. “Vulnerability Assessment of Landscapes of the Kaliningrad Oblast for Environmental Management and Spatial Planning Optimization”. International Journal of Economics and Financial Issues 5, no. 2S (November 21, 2015): 74–80. Accessed October 6, 2022. https://www.econjournals.com/index.php/ijefi/article/view/1588.