参考文献

Taniguchi, Takahiko; Kunitomo, Jun; Yoshikawa, Masato; Hasui, Tomoaki; Honda, Eiji; Imamura, Keisuke; Kamisaki, Haruhi; Suzuki, Shinkichi; Miura, Kasei Patent: US2013/331409 A1, 2013 ;