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
United Nations. Economic Commission for Europe,"Symposium on coal and gas outbursts, Nîmes, France, 25-27 November 1964",,United Nations. Economic Commission for Europe,1967,Document,,,,https://cir.nii.ac.jp/crid/1130282268840493312