@article{oai:repository.dl.itc.u-tokyo.ac.jp:00033388,
 author = {Yukutake, Takesi and Tachinaka, Hiroko},
 issue = {1},
 journal = {東京大學地震研究所彙報 = Bulletin of the Earthquake Research Institute, University of Tokyo},
 month = {Mar},
 note = {application/pdf},
 pages = {65--97},
 title = {5. Separation of the Earth's Magnetic Field into the Drifting and the Standing Parts},
 volume = {47},
 year = {1969}
}