@article{oai:repository.dl.itc.u-tokyo.ac.jp:00033385,
 author = {Sato, Yasuo and Santo, Tetsuo},
 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 = {3--41},
 title = {2. World-Wide Distribution of the Group Velocity of Rayleigh Wave as Determined by Dispersion Data},
 volume = {47},
 year = {1969}
}