Ruoppila, Sampo. “Processes of Residential Differentiation in Socialist Cities: Literature Review on the Cases of Budapest, Prague,Tallinn and Warsaw”. European Journal of Spatial Development 2, no. 1 (February 1, 2004): 1–24. Accessed May 17, 2024. https://journals.polito.it/index.php/EJSD/article/view/163.