@article{oai:repository.dl.itc.u-tokyo.ac.jp:00015777,
 author = {大森, 房吉},
 journal = {震災豫防調査會報告},
 month = {Sep},
 pages = {27--44},
 title = {第5章 噴火囘數ノ週期的變化(日本噴火志下編)},
 volume = {87},
 year = {1918}
}