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 "Butts, Charles",Geologic map of the Appalachian valley of Virginia with explanatory text,,"University, Va",1933,Bulletin (Virginia Geological Survey),,,,https://cir.nii.ac.jp/crid/1130000794672146560