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 "Neuhold, Hanspeter and Österreichisches Institut für Internationale Politik",The Pentagonal/hexagonal experiment : new forms of cooperation in a changing Europe,,"W. Braumüller,Austrian Institute for International Affairs",1991,Laxenburg papers,,3700309457,,https://cir.nii.ac.jp/crid/1130282273036593152