@article{oai:repository.dl.itc.u-tokyo.ac.jp:00034217, author = {Rikitake, Tsuneji}, issue = {1-2}, journal = {東京大學地震研究所彙報 = Bulletin of the Earthquake Research Institute, University of Tokyo}, month = {Oct}, note = {application/pdf}, pages = {45--100}, title = {5. Electromagnetic Induction within the Earth and Its Relation to the Electrical State of the Earth's Interior. Part I(1)}, volume = {28}, year = {1950} }