参考文献:
Anderson, David Beutel, Bruce Bosse, Todd D. Clark, Richard Cooper, Curt Dandliker, Peter David, Caroline Gu, Yu-Gui Hansen, Todd Matthew Hinman, Mira Kalvin, Douglas Larson, Daniel P. Lynch, Linda Ma, Zhenkun Motter, Christopher Palazzo, Fabio Rosenberg, Teresa Rehm, Tamara Sanders, William Tufano, Michael Wagner, Rolf Weitzberg, Moshe Yong, Hong Zhang, Tianyuan Patent: US2003/232818 A1, 2003 Location in patent: Page 55