@article{oai:repository.dl.itc.u-tokyo.ac.jp:00033883, author = {松本, 利松}, 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 = {531--544}, title = {1959年1月31日北海道弟子屈(てしかが)地震の余震観測報告}, volume = {37}, year = {1959} }