参考文献
Gomtsyan, Arthur R.; Bayburt, Erol K.; Koenig, John R.; Marsh, Kennan C.; Schmidt, Robert G.; Lee, Chih-Hung; Wang, Weili; Daanen, Jerome F.; Brown, Brian S.
Patent: US2007/99954 A1, 2007 ;
Location in patent: Page/Page column 28 ;
US 20070099954 A1