[1] X. C. Bao and H. A. Chen, Modern Science Apparatus (in Chinese) 4, 26 (1994).
[2] J. W. Chen, Z. Lin, and Q. H. Meng, Optics and Precision Engineering (in Chinese) 5, 96 (1997).
[3] Y. H. Xu, Design and Application of USB Peripheral Equipments (China Electric Power Publishing Company, 2002) p. 7.
[4] X. Y. Zhao, Control and Data Collection of Spectral Photometric Color Measuring (Dept. of Optical Engineering, Beijing Institute of Technology, Beijing, 2000).
[5] N. F. Liao, J. S. Shi, H. F. Yu, H. Zhu, and Y. Y. Lei, Optical Technology (in Chinese) 9, 82 (1998).
[6] S. R. Li, J. Y. Fu, X. S. Cai, and Y. R. Zhang, Machine Process and Automatization (in Chinese) 10, 14 (2002).