@article{oai:repository.dl.itc.u-tokyo.ac.jp:00034861,
 author = {Yoshiyama, Ryoiti},
 issue = {1},
 journal = {東京帝國大學地震研究所彙報 = Bulletin of the Earthquake Research Institute, Tokyo Imperial University},
 month = {Apr},
 note = {application/pdf},
 pages = {1--13},
 title = {Elastic Waves from a Point in an Isotropic Heterogeneous Sphere. Part 1},
 volume = {11},
 year = {1933}
}