Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) IMAMOTO Kenji and SAKURAI Kouichi,Analysis and Design for Private Message Board Systems,"IEICE transactions on fundamentals of electronics, communications and computer sciences",09168508,,2004-01-01,87,1,204-211,https://cir.nii.ac.jp/crid/1573668924699809792,