@article{oai:repository.dl.itc.u-tokyo.ac.jp:00016352,
 author = {關谷, 清景 and 大森, 房吉},
 journal = {震災豫防調査會報告},
 month = {Sep},
 pages = {97--99},
 title = {明治二十七年六月二十日東京激震ノ地震計記録圖},
 volume = {28},
 year = {1899}
}