@phdthesis{oai:ritsumei.repo.nii.ac.jp:00011201,
 author = {平川, 泰之},
 month = {2019-12-05, 2019-12-05, 2019-12-05},
 school = {立命館大学},
 title = {火砕流噴火後の土石流発生要因の変遷に関する研究},
 year = {}
}