参考文献

Leftheris, Katerina; Zhao, Rulin; Chen, Bang-Chi; Kiener, Peter; Wu, Hong; Pandit, Chennagiri R.; Wrobleski, Stephen; Chen, Ping; Hynes, John; Longphre, Malinda; Norris, Derek J.; Spergel, Steven Patent: US2002/119972 A1, 2002 ;