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
"Fridén, Lennart",Fluctuations in the international steel market 1953-68 : a study of import and export functions,,"University of Stockholm, Institute for International Economic Studies",1972,Seminar paper,,,,https://cir.nii.ac.jp/crid/1130000796094000896