@article{oai:repository.dl.itc.u-tokyo.ac.jp:00033767,
 author = {Yoshiyama, Ryoichi and Onda, Isao},
 issue = {3},
 journal = {東京大學地震研究所彙報 = Bulletin of the Earthquake Research Institute, University of Tokyo},
 month = {Nov},
 note = {application/pdf},
 pages = {391--398},
 title = {Stability of Waves through a Heterogeneous Medium and Apparent Internal Friction. Part 2 with Special Remarks on Wave Propagation in a Periodic Structure},
 volume = {40},
 year = {1962}
}