To Identify and Classify Questioned Paper by Using FT-IR, Reflectance Spectrophotometer, Pyrolysis GC/Mass Spectrophotometer

Chang, Chuan-Hui, Taipei Taiwan, Republic of China; Liu, Kuei, Taipei Taiwan, Republic of China; Lang, Li-Su, Taipei Taiwan, Republic of China; Hu, Hsing-Yung, Taipei Taiwan, Republic of China; Cheng, Chia-Hsien, Taipei Taiwan, Republic of China