@article{oai:repository.dl.itc.u-tokyo.ac.jp:00033989, author = {Yokoyama, Izumi}, issue = {1}, 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 = {21--32}, title = {Geomagnetic Studies of Volcano Mihara. 7th Paper. : Possible Thermal Process Related to Changes in the Geomagnetic Field}, volume = {34}, year = {1956} }