Helbrecht, Ilse, Éva Izsák, Peter Dirksmeier, Márton Berki, and Sebastian Schlueter. “The Changing Nature of Labour Protest: Comparing the Fragmentation of Protest Rituals on May 1st in Berlin and Budapest”. Hungarian Geographical Bulletin 66, no. 2 (July 4, 2017): 95-111. Accessed March 29, 2024. https://ojs.mtak.hu/index.php/hungeobull/article/view/551.