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 "Krings, Bettina-Johanna",Brain drain or brain gain? : changes of work in knowledge-based societies,,Ed. Sigma,2011,Gesellschaft-Technik-Umwelt : Neue Folge,,9783894049447,,https://cir.nii.ac.jp/crid/1130000794875263232