著者名,書名,版表示,出版者名,出版年,シリーズ名,番号,ISBN,ISSN,URL "Earthquake Hazards Program (Geological Survey) and Kayen, Robert E. and Geological Survey (U.S.)","Investigation of the M6.6 Niigata-Chuetsu Oki, Japan, earthquake of July 16, 2007",,U.S. Geological Survey,2007,Open-file report,,9781234519841,,https://cir.nii.ac.jp/crid/1130000794556956416