Research & Education JFS Articles AAFS Connect Conference Proceedings Reference Series Library International Educational Outreach Program Examining the Minor Printing Screen-dots and Micro-printing Features by Using the USB Interface Microscope Presenting section: Questioned Documents 2006 Liu, Kuei, Taipei Taiwan, Republic of China; Lang, Li-Su, Taipei Taiwan, Republic of China; Chuang, Fu-Hsiung, Hsin-Tien Taiwan, Republic of China; Chang, Chuan-Hui, Taipei Taiwan, Republic of China View the paper Questioned Documents