参考文献
Njoroge, F. George; Vibulbhan, Bancha; Cooper, Alan B.; Guzi, Timothy; Rane, Dinanath F.; Minor, Keith P.; Doll, Ronald J.; Girijavallabhan, Viyyoor M.; Santhanam, Bama; Pinto, Patrick A.; Zhu, Hugh Y.; Keertikar, Kartik M.; Alvarez, Carmen S.; Baldwin, John J.; Li, Ge; Huang, Chia-Yu; James, Ray A.; Bishop, W. Robert; Wang, James J-S; Desai, Jagdish A.
Patent: US2002/198216 A1, 2002 ;
US 20020198216 A1