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 "Ford, Robert and Laxton, Douglas and Clark, Peter B. and Coe, David T.",World public debt and real interest rates,,International Monetary Fund,1995,IMF working paper,,,,https://cir.nii.ac.jp/crid/1130000794364954368