参考文献

Lin, Songnian; Yan, Lin; Kekec, Ahmet; Zhu, Yuping; Hunter, David N.; Huo, Pei; Feng, Danqing; Nargund, Ravi P.; Moyes, Christopher R.; Zhao, Zhiqiang; Pipik, Brenda; Pissarnitski, Dmitri; Duffy, Joseph L.; Guidry, Erin N. Patent: US2015/105317 A1, 2015