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
"Ovitz, Frank Keehn and Illinois. University. Dept. of mining engineering and Illinois. State geological survey",Coking of Illinois coals,,Govt. print. off.,1917,Bulletin,,,,https://cir.nii.ac.jp/crid/1130000798382173952