参考文献

Raeppel, Stephane; Claridge, Stephen William; Saavedra, Oscar Mario; Vaisburg, Arkadii; Deziel, Robert; Zhan, Lijie; Mannion, Michael; Gaudette, Frederic; Zhou, Nancy Z.; Isakovic, Ljubomir Patent: US2008/4273 A1, 2008 ; Location in patent: Page/Page column 61 ; US 20080004273 A1