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
"Hybel, Nils",The nature of kingship c. 800-1300 : the Danish incident,,Brill,2018,"The northern world : North Europe and the Baltic c. 400-1700 A.D. : peoples, economies and cultures",,9789004358348,,https://cir.nii.ac.jp/crid/1130000796911351680