@article{oai:repository.dl.itc.u-tokyo.ac.jp:00033465,
 author = {Rikitake, Tsuneji and Yoshino, Toshio and Sasai, Yoichi},
 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 = {137--151},
 title = {7. Geomagnetic Noises and Detectability of Seismo-magnetic Effect(1)},
 volume = {46},
 year = {1968}
}