@article{oai:repository.dl.itc.u-tokyo.ac.jp:00033830, author = {The Research Group for Explosion Seismology}, issue = {2}, journal = {東京大學地震研究所彙報 = Bulletin of the Earthquake Research Institute, University of Tokyo}, month = {Aug}, note = {application/pdf}, pages = {285--326}, title = {9. Crustal Structure in Central Japan as Derived from the Miboro Explosion-Seismic Observations : Part 1. Explosions and Seismic Observations}, volume = {39}, year = {1961} }