Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) 斎藤 昇 and 大谷 政敬 and 小川 猛,"2.3.2Slip Surface Discovered by a Petroleum Miner, Ganpei Landslide(2.3Visiting Landslide Sites)(Chapter 2 Landslide and Debris Flow : Ground Crying, Moving and Flowing)",土と基礎 : 地盤工学会誌,00413798,東京 : 地盤工学会,1991-03,39,3,p28-31,https://cir.nii.ac.jp/crid/1520853835217255680,