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 "Klier, Daniel O.",Managing diversified portfolios : what multi-business firms can learn from private equity,,Physica,2009,Contributions to management science,,9783790821727,,https://cir.nii.ac.jp/crid/1130000795410452224