@article{oai:repository.dl.itc.u-tokyo.ac.jp:00033863,
 author = {Shima, Etsuzo},
 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 = {29--39},
 title = {3. Theoretical and Experimental Approach to the Designs and Calibrations of Electro-magnetic Seismograph : 1. Voltage Sensitivity of the Moving-coil Type Seismometer},
 volume = {38},
 year = {1960}
}