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 "Hurmelinna-Laukkanen, Pia",Dynamics of appropriability : finding a balance between efficiency and strength in the appropriability regime,,Lappeenranta University of Technology,2005,Acta Universitatis Lappeenrantaensis,,9522141380,,https://cir.nii.ac.jp/crid/1130000797890611328