@article{oai:repository.dl.itc.u-tokyo.ac.jp:00033916, author = {The Research Group for Explosion Seismology}, issue = {3}, journal = {東京大學地震研究所彙報 = Bulletin of the Earthquake Research Institute, University of Tokyo}, month = {Oct}, note = {application/pdf}, pages = {329--348}, title = {Crustal Structure in Northern Kwanto District by Explosion-Seismic Observation : Part 1 Description of Explosions and Observations}, volume = {36}, year = {1958} }