@article{oai:repository.dl.itc.u-tokyo.ac.jp:00032736, 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--20}, title = {The Polarization of Waves in an Anisotropic Nonlinear-Elastic Medium}, volume = {67}, year = {1992} }