Research & Education JFS Articles AAFS Connect Conference Proceedings Reference Series Library International Educational Outreach Program Surface Roughness Measurement Techniques Using Pen Pressure Measurement in Signatures and Usability for Determination of Identity Presenting section: Questioned Documents 2020 Oner, Dilara, Istanbul TURKEY; Cetin, Gursel, Istanbul TURKEY; Dispinar, Derya, Istanbul TURKEY View the paper Questioned Documents