Kim, Sanghoon; Chung, Sun-Tae; Jung, Souhwan; Jeon, Seoungseon; Kim, Jaemin; Cho, Seongwon
ArticleIssue Date2007CitationPROCEEDINGS OF WORLD ACADEMY OF SCIENCE, ENGINEERING AND TECHNOLOGY, VOL 19, v.19, pp.493 - +PublisherWORLD ACAD SCI, ENG & TECH-WASET