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 "Nelson, W. John","Bedrock geology of the Paducah 1゚x2゚ Quadrangle, Illinois, Kentucky, and Missouri",,Illinois State Geological Survey,1995,Bulletin,,,,https://cir.nii.ac.jp/crid/1130282269601550336