参考文献

Plourde,, Robert; Shaver, Sammy R.; Douglass,, James G.; Watson, Paul S.; Boyer, Jose L.; Tu, Chi; Abreo, Melwyn A.; Alfaro-Lopez, Lorenzo J.; Feng, Yangbo; Harvey, Daniel F.; Khasanova, Tatyana V. Patent: US2005/267134 A1, 2005 ;