@article{oai:repository.dl.itc.u-tokyo.ac.jp:00034033,
 author = {Yokoyama, Izumi},
 issue = {2},
 journal = {東京大學地震研究所彙報 = Bulletin of the Earthquake Research Institute, University of Tokyo},
 month = {Aug},
 note = {application/pdf},
 pages = {251--257},
 title = {Geomagnetic Studies of Volcano Mihara.The 6th Paper. : Continuous Observation of Changes in Geomagnetic Declination during the Period from 1951 to 1954},
 volume = {33},
 year = {1955}
}