参考文献
Zhao, Zhongdong; Zhichkin, Pavel E.; Stafford, Douglas G.; Kropf, Jeffrey E.; BLOMGREN, Peter A.; Currie, Kevin S.; Lee, Seung H.; Mitchell, Scott A.; Xu, Jianjun; Schmitt, Aaron C.
Patent: US2009/82330 A1, 2009 ;
Location in patent: Page/Page column 23 ;