DolataMichał. “Industrial ‘Socialist Cities’ of East Germany in the Thirty Years of System Transformation (1989–2019)”. Studies of the Industrial Geography Commission of the Polish Geographical Society 34, no. 2 (June 24, 2020): 18–34. Accessed October 23, 2020. https://prace-kgp.up.krakow.pl/article/view/7224.