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 "Eichler, Jan",NATO's expansion after the Cold War : geopolitics and impacts for international security,,Springer,2021,Global power shift,,9783030666408,,https://cir.nii.ac.jp/crid/1130015011371820436