参考文献
Selnick, Harold G.; Barrow, James C.; Nantermet, Philippe G.; Williams, Peter D.; Stauffer, Kenneth J.; Sanderson, Philip E.; Rittle, Kenneth E.; Morrissette, Matthew M.; Wiscount, Catherine M.; Tran, Lekhanh O.; Lyle, Terry A.; Staas, Donnette D.
Patent: US2002/119992 A1, 2002 ;