参考文献

Pusan National University Industry-University Cooperation Foundation; Chung, Hae Young; Moon, Hyung Ryong; Park, Min Hi; Ha, Young Mi; Park, Yun Jung; Park, Ji Young; Kim, Jin Ah; Lee, Ji Yeon; Lee, Kyung Jin Patent: US2014/23603 A1, 2014 ; Location in patent: Paragraph 0234; 0236 ;