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 "Kappler, Marcus and Sachs, Andreas",Business cycle synchronisation and economic integration : new evidence from the EU,,"Physica-Verlag,Zentrum für Europäische Wirtschaftsforschung",2013,ZEW economic studies,,9783790828542,,https://cir.nii.ac.jp/crid/1130282272963010688