@article{oai:repository.dl.itc.u-tokyo.ac.jp:00033820, author = {Yukutake, Takesi}, issue = {3}, journal = {東京大學地震研究所彙報 = Bulletin of the Earthquake Research Institute, University of Tokyo}, month = {Dec}, note = {application/pdf}, pages = {467--476}, title = {14. Archaeomagnetic Study on Volcanic Rocks in Oshima Island, Japan}, volume = {39}, year = {1961} }