@article{oai:repository.dl.itc.u-tokyo.ac.jp:00034034,
 author = {Rikitake, Tsuneji},
 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 = {1--25},
 title = {Magneto-hydrodynamic Oscillations in the Earth's Core},
 volume = {33},
 year = {1955}
}