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
"Leonardos, Othon Henry and Brasil. Ministério da Agricultura and Brazil. Departamento Nacional da Producção Mineral","Tantalo, niobio, uranio e radio no Brasil",,[s.n.],1936,Boletim,,,,https://cir.nii.ac.jp/crid/1130000794643047040