参考文献

Bartel, Stephan; Hahn, Michael; Moradi, Wahed Ahmed; Becker, Eva-Maria; Roelle, Thomas; Stasch, Johannes-Peter; Schlemmer, Karl-Heinz; Wunder, Frank; Knorr, Andreas; Lang, Dieter Patent: US2010/29772 A1, 2010 ; Location in patent: Page/Page column 15 ;