Seo, In-Tae; Park, Hwi-Yeol; Van Dung, Nguyen; Choi, Min-Kyu; Nahm, Sahn; Lee, Hyeung-Gyu; Choi, Byung-Hyun
ArticleIssue Date2009CitationIEEE TRANSACTIONS ON ULTRASONICS FERROELECTRICS AND FREQUENCY CONTROL, v.56, no.11, pp.2337 - 2342PublisherIEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC