参考文献

Gunzner, Janet L.; Sutherlin, Daniel; Stanley, Mark S.; Bao, Liang; Castanedo, Georgette M.; Lalonde, Rebecca L.; Wang, Shumei; Reynolds, Mark E.; Savage, Scott J.; Malesky, Kimberly; Dina, Michael S. Patent: US2006/63779 A1, 2006 ; Location in patent: Page/Page column 74 ;