@article{oai:repository.dl.itc.u-tokyo.ac.jp:00033934,
 author = {Matumoto, Tosimatu},
 issue = {1},
 journal = {東京大學地震研究所彙報 = Bulletin of the Earthquake Research Institute, University of Tokyo},
 month = {May},
 note = {application/pdf},
 pages = {55--64},
 title = {Calibration of an Electromagnetic Seismograph by Means of the Frequency Analysis},
 volume = {36},
 year = {1958}
}