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 "Bove, Dana and Geological Survey (U.S.)","Geochronology and geology of late Oligocene through Miocene volcanism and mineralization in the western San Juan Mountains, Colorado",,U.S. Department of the Interior : U.S. Geological Survey,2001,Geological Survey professional paper,,0607974869,,https://cir.nii.ac.jp/crid/1130282269332307072