@inproceedings{weko_171107_1, author = "高橋,修 and 山崎,修司 and 宮西,洋太郎 and 小西,修", title = "階層的一方向性データのセキュアな管理方式とその評価", booktitle = "第67回全国大会講演論文集", year = "2005", volume = "2005", number = "1", pages = "299--300", month = "mar" }