FRĄCKOWIAK, M., KACZMAREK, J. and ROGOWSKI, ŁUKASZ (2021) “RE-CLOSED BORDER AS AN EVERYDAY EXPERIENCE. EXPLORATORY RESEARCH OF POLISH-GERMAN TWIN CITIES IN THE FIRST MONTHS OF A COVID-19 PANDEMIC”, Society Register, 5(4), pp. 61–74. doi: 10.14746/sr.2021.5.4.04.