@article{oai:repository.dl.itc.u-tokyo.ac.jp:00038575,
 author = {Kusakabe, S.},
 journal = {Publications of the Earthquake Investigation Committee in foreign languages},
 month = {Jun},
 pages = {1--4},
 title = {Introduction(On the Modulus of Rigidity of Rocks)},
 volume = {14},
 year = {1903}
}