@article{oai:repository.dl.itc.u-tokyo.ac.jp:00038572,
 author = {Kusakabe, S.},
 journal = {Publications of the Earthquake Investigation Committee in foreign languages},
 month = {Aug},
 note = {application/pdf},
 pages = {1--48},
 title = {MODULUS OF ELASTICITY OF ROCKS : AND VELOCITIES OF SEISMIC WAVES: WITH A HINT TO THE FREQUENCY OF AFTER-SHOCKS},
 volume = {17},
 year = {1904}
}