@article{oai:repository.dl.itc.u-tokyo.ac.jp:00033413, author = {Kanamori, Hiroo and Abe, Katsuyuki}, issue = {5}, journal = {東京大學地震研究所彙報 = Bulletin of the Earthquake Research Institute, University of Tokyo}, month = {Dec}, note = {application/pdf}, pages = {1001--1025}, title = {50. Deep Structure of Island Arcs as Revealed by Surface Waves}, volume = {46}, year = {1968} }