@article{oai:repository.dl.itc.u-tokyo.ac.jp:00034086, author = {笠原, 慶一}, issue = {3}, journal = {東京大學地震研究所彙報 = Bulletin of the Earthquake Research Institute, University of Tokyo}, month = {Sep}, note = {application/pdf}, pages = {235--243}, title = {21. Experimental Studies on the Mechanism of Generation of Elastic Waves III}, volume = {31}, year = {1953} }