参考文献
Alberati, Daniela; Alvarez Sánchez, Rubén; Bleicher, Konrad; Flohr, Alexander; Groebke Zbinden, Katrin; Koerner, Matthias; Kuhn, Bernd; Peters, Jens-Uwe; Rudolph, Markus
Patent: US2011/71128 A1, 2011 ;
Location in patent: Page/Page column 12-13 ;