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
International Labour Office and International Labour Conference,Hours of work in coal mines : item III on the agenda : enquiry into the lignite industry in Europe : survey of the replies of the governments,,International Labour Office,1930,Report,,,,https://cir.nii.ac.jp/crid/1130000796781549568