参考文献

Buhrlage, Sara; Dockendorff, Chris; Foley, Mike; Kim, Han-Je; Germain, Andrew; MacPherson, Lawrence; Nag, Partha; Schreiber, Stuart; Ting, Amal; Weiwer, Michel; Youngsaye, Willmen Patent: US2014/94462 A1, 2014 ; Location in patent: Paragraph 0966 ;