@article{oai:repository.dl.itc.u-tokyo.ac.jp:00033838,
 author = {Yoshiyama, Ryoichi},
 issue = {4},
 journal = {東京大學地震研究所彙報 = Bulletin of the Earthquake Research Institute, University of Tokyo},
 month = {Jan},
 note = {application/pdf},
 pages = {467--478},
 title = {29. Stability of Waves through a Heterogeneous Medium and Apparent Internal Friction},
 volume = {38},
 year = {1961}
}