@techreport{weko_37627_1, author = "来住,伸子", title = "多段差分生成によるユーザー操作記録の自動比較", year = "1992", institution = "日本アイ・ビー・エム(株)東京基礎研究所", number = "15(1991-HI-041)", month = "mar" }