@article{oai:repository.dl.itc.u-tokyo.ac.jp:00034249, author = {Sakuma, Shuzo and Minakami, Takeshi}, issue = {1-4}, journal = {東京大學地震研究所彙報 = Bulletin of the Earthquake Research Institute, University of Tokyo}, month = {Jun}, note = {application/pdf}, pages = {117--121}, title = {21. Minor Activity of Volcano Yake-yama in 1949}, volume = {27}, year = {1950} }