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 "Hartke, Edwin J.","Environmental geologic considerations in Koontz Lake, Starke County, Indiana and its 6-mile fringe",,"State of Indiana, Dept. of Natural Resources, Geological Survey",1986,Environmental study,,,,https://cir.nii.ac.jp/crid/1130282270765693056