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
"Kiessling, O. E.","Technology, employment, and output per man in petroleum and natural-gas production",,"Work Projects Administration, National Research Project",1939,Report,,,,https://cir.nii.ac.jp/crid/1130282272910253312