@inproceedings{weko_133555_1, author = "武井,英明 and 森保,健治", title = "著作権保護と著作物再利用システムの検討", booktitle = "全国大会講演論文集", year = "1998", volume = "第56回", number = "データベースとメディア", pages = "89--90", month = "mar" }