@article{oai:repository.dl.itc.u-tokyo.ac.jp:00034337, author = {永田, 武}, issue = {3-4}, journal = {東京帝國大學地震研究所彙報 = Bulletin of the Earthquake Research Institute, Tokyo Imperial University}, month = {Aug}, note = {application/pdf}, pages = {366--375}, title = {16. 地球磁場の地方的異常及び永年變化に就て(第II報)}, volume = {21}, year = {1944} }