ArticleIssue Date2008CitationIEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences, v.E91A, no.9, pp 2578 - 2587PublisherOxford University Press
ArticleIssue Date2009CitationIEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences, v.E92A, no.5, pp 1322 - 1330PublisherOxford University Press