@article{oai:repository.dl.itc.u-tokyo.ac.jp:00034017,
 author = {RIKITAKE, Tsuneji and YOKOYAMA, Izumi},
 issue = {3},
 journal = {東京大學地震研究所彙報 = Bulletin of the Earthquake Research Institute, University of Tokyo},
 month = {Dec},
 note = {application/pdf},
 pages = {297--331},
 title = {The Anomalous Behaviour of Geomagnetic Variations of Short Period in Japan and Its Relation to the Subterranean Structure. The 6th report. : The results of further observations and some considerations concerning the influences of the sea on geomagnetic va},
 volume = {33},
 year = {1955}
}