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 "Mattil, Birgit",Pension systems : sustainability and distributional effects in Germany and the United Kingdom,,Physica-Verlag,2006,Contributions to economics,,3790816752,,https://cir.nii.ac.jp/crid/1130282269230996224