van Erp, Merijn, Louis Vuurpijt, Katrin Franke, and L Schomaker. “The Wanda Measurement Tool for Forensic Document Examination”. Journal of Forensic Document Examination 28 (December 31, 2018): 5–14. Accessed March 28, 2024. https://jfde.org/index.php/jfde/article/view/237.