@article{oai:repository.dl.itc.u-tokyo.ac.jp:00040958,
 author = {Omori, F.},
 issue = {1},
 journal = {Bulletin of the Imperial Earthquake Investigation Committee},
 month = {Mar},
 note = {附図３頁},
 pages = {1--6},
 title = {On Micro-tremors},
 volume = {2},
 year = {1908}
}