@article{weko_4588_1, author = "大場,一樹 and 山下,亜紀郎 and 吉田,剛司", title = "知床半島羅臼岳における登山道荒廃の現状", journal = "酪農学園大学紀要. 自然科学編", year = "2010", volume = "35", number = "1", pages = "33--45", month = "oct" }