@inproceedings{weko_109250_1, author = "難波,弘行 and 中平,勝子 and 三上,喜貴", title = "Webリソースの経年変化を用いた情報基盤利用状況の分析", booktitle = "第73回全国大会講演論文集", year = "2011", volume = "2011", number = "1", pages = "587--588", month = "mar" }