@article{oai:repository.dl.itc.u-tokyo.ac.jp:00034068, author = {笠原, 慶一}, issue = {1}, journal = {東京大學地震研究所彙報 = Bulletin of the Earthquake Research Institute, University of Tokyo}, month = {Jun}, note = {application/pdf}, pages = {67--77}, title = {5. Experimental Studies on the Mechanism of Generation of Elastic Waves IV}, volume = {32}, year = {1954} }