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 "小川, 英治",Portfolio investments and insurance products of the Kampo and life insurance companies,,"Hitotsubashi University, Faculty of Commerce",1996,Working paper,,,,https://cir.nii.ac.jp/crid/1130282271726460160