@inproceedings{weko_165385_1, author = "大段,雅典 and 佐藤,匡正", title = "プログラム構造の抽出自動化の試み", booktitle = "第64回全国大会講演論文集", year = "2002", volume = "2002", number = "1", pages = "149--150", month = "mar" }