ArticleIssue Date2005CitationIEICE TRANSACTIONS ON INFORMATION AND SYSTEMS, v.E88D, no.3, pp 594 - 602PublisherIEICE-INST ELECTRONICS INFORMATION COMMUNICATIONS ENG
ArticleIssue Date2006CitationIEICE TRANSACTIONS ON INFORMATION AND SYSTEMS, v.E89D, no.6, pp 1971 - 1974PublisherIEICE-INST ELECTRONICS INFORMATION COMMUNICATIONS ENG