@article{oai:repository.dl.itc.u-tokyo.ac.jp:00033441, author = {Medvedev, s.v.}, issue = {3}, journal = {東京大學地震研究所彙報 = Bulletin of the Earthquake Research Institute, University of Tokyo}, month = {Jul}, note = {application/pdf}, pages = {687--696}, title = {31. Evaluation of Seismic Safety during Blasting Operations in Mines}, volume = {46}, year = {1968} }