@article{oai:repository.dl.itc.u-tokyo.ac.jp:00037861,
 author = {Kusakabe, S.},
 journal = {The journal of the College of Science, Imperial University of Tokyo, Japan = 東京帝國大學紀要. 理科},
 month = {Mar},
 note = {application/pdf},
 pages = {1--19},
 title = {Frequency of After-Shocks and Space-Distribution of Seismic Waves},
 volume = {21},
 year = {1906}
}