@article{oai:repository.dl.itc.u-tokyo.ac.jp:00033760,
 author = {Kanai, Kiyoshi},
 issue = {4},
 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 = {855--860},
 title = {On the Predominant Period of Earthquake Motions},
 volume = {40},
 year = {1963}
}