@inproceedings{weko_137615_1,
   author	 = "石原,彰人 and 小柳,和子",
   title	 = "画像選択型認証方式における改善策",
   booktitle	 = "全国大会講演論文集",
   year 	 = "2008",
   volume	 = "第70回",
   number	 = "セキュリティ",
   pages	 = "407--408
",
   month	 = "mar"
}