参考文献

Suh, Young Ger; Oh, Uh Taek; Kim, Hee Doo; Lee, Jee Woo; Park, Hyeung Geun; Park, Ok Hui; Lee, Yong Sil; Park, Young Ho; Joo, Yung Hyup; Choi, Jin Kyu; Lim, Kyung Min; Kim, Sun Young; Kim, Jin Kwan; Koh, Hyun Ju; Moh, Joo Hyun; Jeong, Yeon Su; Yi, Jung Bum; Oh, Young Im Patent: US2003/153596 A1, 2003 ;