Helten, Michael. “Heterotopia and Cultural Activism – the Case of Hamburg’s Gängeviertel”. DIE ERDE – Journal of the Geographical Society of Berlin 146, no. 2-3 (September 30, 2015): 165–174. Accessed November 21, 2024. https://die-erde.de/index.php/die-erde/article/view/227.