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 "Thumm, Nikolaus",Intellectual property rights : national systems and harmonisation in Europe,,Physica-Verlag,2000,Contributions to economics,,379081329X,,https://cir.nii.ac.jp/crid/1130000793833984256