@article{oai:repository.dl.itc.u-tokyo.ac.jp:00034878, author = {Sezawa, Katsutada and Kanai, Kiyoshi}, issue = {4}, journal = {東京帝國大學地震研究所彙報 = Bulletin of the Earthquake Research Institute, Tokyo Imperial University}, month = {Dec}, pages = {903--910}, title = {Vibrations of a Two- or Three-storeyed Structure}, volume = {10}, year = {1932} }