参考文献

Aebi, Johannes; Amrein, Kurt; Hornsperger, Benoit; Knust, Henner; Kuhn, Bernd; Liu, Yongfu; Maerki, Hans P.; Mayweg, Alexander V.; Mohr, Peter; Tan, Xuefei; Zhou, Mingwei Patent: US2013/72679 A1, 2013 ; Location in patent: Paragraph 0895; 0896 ;