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 "Neyens, Pierre and Koob, Edmond",Pension schemes in the European public sector,,European Institute of Public Administration,1992,Professional research paper,,9067790494,,https://cir.nii.ac.jp/crid/1130000795464056576