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 "Hagin, Robert","Investment management : portfolio diversification, risk, and timing--fact and fiction",,J. Wiley,2004,Wiley finance series,,0471469203,,https://cir.nii.ac.jp/crid/1130282271804617472