@article{oai:repository.dl.itc.u-tokyo.ac.jp:00000331, author = {KNOTT, CARGILL G.}, journal = {Transactions of the Seismological Society of Japan}, month = {}, note = {application/pdf}, pages = {115--136}, title = {EARTHQUAKES AND EARTHQUAKE SOUNDS : AS ILLUSTRATIONS OF THE GENERAL THEORY OF ELASTIC VIBRATIONS}, volume = {12}, year = {1888} }