Schlegel, Jona, Massimiliano Carloni, Stefan Wogrin, Ann M. Graf, and Geert J. Verhoeven. “Making a Mark—Towards a Graffiti Thesaurus”. goINDIGO (May 10, 2023): 203–219. Accessed April 16, 2026. https://www.cap-journal.org.wisethorough.com/index.php/indigo/article/view/710.