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
"Jón Viðar Sigurðsson and Orning, Hans Jacob",Medieval and modern civil wars : a comparative perspective,,Brill,2021,History of warfare,,9789004461475,,https://cir.nii.ac.jp/crid/1130853940162486426