@article{oai:repository.dl.itc.u-tokyo.ac.jp:00033550, author = {Santo, Tetsuo and Sato, Yasuo}, issue = {3}, 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 = {939--964}, title = {World-Wide Survey of the Regional Characteristics of Group Velocity Dispersion of Rayleigh Waves}, volume = {44}, year = {1967} }