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 "Hu, Zuliu and Folkerts-Landau, David",The yield curve and real activity,,International Monetary Fund,1993,IMF working paper,,,,https://cir.nii.ac.jp/crid/1130282271653050880