ArticleIssue Date2001CitationIEICE TRANSACTIONS ON INFORMATION AND SYSTEMS, v.E84D, no.9, pp.1164 - 1170PublisherIEICE-INST ELECTRONICS INFORMATION COMMUNICATIONS ENG
ArticleIssue Date2003CitationIEICE TRANSACTIONS ON INFORMATION AND SYSTEMS, v.E86D, no.3, pp.616 - 622PublisherIEICE-INST ELECTRONICS INFORMATION COMMUNICATIONS ENG