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) Junko Umihara and Mariko Nishikitani,Emergent Use of Twitter in the 2011 Tohoku Earthquake,Prehospital and Disaster Medicine,1049-023X,Cambridge University Press (CUP),2013-07-24,28,5,434-440,https://cir.nii.ac.jp/crid/1360004233090596608,https://doi.org/10.1017/s1049023x13008704