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
"Bengtsson, Tommy and Keilman, Nico",Perspectives on mortality forecasting,,"Riksförsäkringsverket (RFV), National Social Insurance Board",2003,Social insurance studies,,9189303245,,https://cir.nii.ac.jp/crid/1130000796746391296