Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) ,A study of Password Authentication Method against Observing Attacks,全国大会講演論文集,,情報処理学会,2008-03-13,第70回,セキュリティ,409-410,https://cir.nii.ac.jp/crid/1050011097173633536,