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
Illinois State Geological Survey,"Research needs of Illinois' coal industry : a symposium relating to recovery, preparation, marketing practice, utilization, and basic research presented at quarter centennial celebration of Illinois State Geological Survey, April 30, 1930",,Illinois Coal Bureau,1930,Bulletin,,,,https://cir.nii.ac.jp/crid/1130282271671865472