参考文献

Banner, David; Guba, Wolfgang; Hilpert, Hans; Mauser, Harald; Mayweg, Alexander V.; Narquizian, Robert; Pinard, Emmanuel; Power, Eoin; Rogers-Evans, Mark; Woltering, Thomas; Wostl, Wolfgang Patent: US2011/144097 A1, 2011 ; Location in patent: Page/Page column 36 ; US 20110144097 A1