@article{oai:repository.dl.itc.u-tokyo.ac.jp:00034059, author = {横山, 泉}, issue = {2}, journal = {東京大學地震研究所彙報 = Bulletin of the Earthquake Research Institute, University of Tokyo}, month = {Aug}, note = {application/pdf}, pages = {169--188}, title = {12. Geomagnetic Studies of Volcano Mihara. : The 5th Paper. : Changes in Three Geomagnetic Components during the Period from May 1951 to August 1953}, volume = {32}, year = {1954} }