@article{oai:repository.dl.itc.u-tokyo.ac.jp:00032722, author = {MOMOI, Takao}, issue = {1}, journal = {東京大學地震研究所彙報 = Bulletin of the Earthquake Research Institute, University of Tokyo}, month = {Jun}, note = {application/pdf}, pages = {1--22}, title = {The Waves Excited near the Free Surface in the Half-infinite Nonlinear-elastic Isotropic Medium}, volume = {68}, year = {1993} }