@article{oai:repository.dl.itc.u-tokyo.ac.jp:00034129, author = {横山, 泉}, issue = {1}, journal = {東京大學地震研究所彙報 = Bulletin of the Earthquake Research Institute, University of Tokyo}, month = {Apr}, note = {application/pdf}, pages = {83--91}, title = {Magnetization of the Gabbro from Mt. Tsukuba with Special Relation to the Geomagnetic Anomalies}, volume = {30}, year = {1952} }