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
League of Nations,"Enquiries into the economic, administrative and legal situation of international air navigation",,[Publication Department of the League of Nations],1930,Series of League of Nations publications,,,,https://cir.nii.ac.jp/crid/1130000794601696896