@article{oai:repository.dl.itc.u-tokyo.ac.jp:00040942,
 author = {Omori, F.},
 issue = {2},
 journal = {Bulletin of the Imperial Earthquake Investigation Committee},
 month = {Dec},
 note = {application/pdf},
 pages = {61--67},
 title = {On the Dependence of the Transit Velocity of Seismic Waves on the Nature of Path},
 volume = {3},
 year = {1909}
}