@article{oai:repository.dl.itc.u-tokyo.ac.jp:00032881, author = {早川, 由紀夫}, issue = {4}, journal = {東京大學地震研究所彙報 = Bulletin of the Earthquake Research Institute, University of Tokyo}, month = {Mar}, note = {application/pdf}, pages = {507--592}, title = {Pyroclastic Geology of Towada Volcano}, volume = {60}, year = {1986} }