著者名,論文名,雑誌名,ISSN,出版者名,出版日付,巻,号,ページ,URL,URL(DOI) Zhen J. Xu and Xiaodong Song,Temporal changes of surface wave velocity associated with major Sumatra earthquakes from ambient noise correlation,Proceedings of the National Academy of Sciences,0027-8424,Proceedings of the National Academy of Sciences,2009-08-25,106,34,14207-14212,https://cir.nii.ac.jp/crid/1363670320932319488,https://doi.org/10.1073/pnas.0901164106