Verhoeven, Geert J., Jona Schlegel, and Benjamin Wild. “Each Graffito Deserves Its Polygon: It Is About Time”. goINDIGO (September 6, 2024): 163–185. Accessed June 6, 2026. https://www.vas-journal.org.wisethorough.com/index.php/indigo/article/view/981.