参考文献

Allen, Michael S.; Premchandran, Ramiya H.; Chang, Sou-Jen; Condon, Stephen; DeMattei, John A.; King, Steven A.; Kolaczkowski, Lawrence; Manna, Sukumar; Nichols, Paul; Patel, Hermant H.; Patel, Subhash R.; Plata, Daniel J.; Stoner, Eric J.; Tien, Jien-Heh J.; Wittenberger, Steven J. Patent: US2002/13468 A1, 2002 ;