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 Commission of the European Communities and Nederlands Economisch Instituut,Long-term regional demographic developments up to the beginning of the next century and regional policy,,"Office for Official Publications of the European Communities,Commission of the European Communities",1988,"Deadline 92, a frontier-free Europe",,9282586200,,https://cir.nii.ac.jp/crid/1130000794535691648