@article{oai:repository.dl.itc.u-tokyo.ac.jp:00033769, author = {Aki, Keiiti}, 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 = {425--430}, title = {A Note on Crustal Structure}, volume = {40}, year = {1962} }