Marta Szejnfeld, Marta, Grzegorz Kmiecik, and Hanna Szymczak. “City Structure – the Phenomenon of Exclusion of Space”. European Journal of Sustainable Development 3, no. 4 (October 22, 2014): 231. Accessed May 3, 2024. https://ojs.ecsdev.org/index.php/ejsd/article/view/193.