参考文献

Chu, Shao Song; Alegria, Larry Andrew; Bleckman, Ted Michael; Chong, Wesley Kwan Mung; Duvadie, Rohit K.; Li, Lin; Reich, Siegfried Heinz; Romines III, William Henry; Wallace, Michael B.; Yang, Yi Patent: US2003/225147 A1, 2003 ; Location in patent: Page 31-32 ;